A232526 -id:A232526

Search: a232526 -id:a232526

Displaying 1-3 of 3 results found.

page 1

A232523

Number of (n+1)X(1+1) 0..3 arrays x(i,j) with every row sum{j*x(i,j), j=1..1+1} equal, and every column sum{i*x(i,j), i=1..n+1} equal, with top left element <= 1

+10
1

4, 4, 2, 8, 10, 2, 22, 36, 2, 94, 158, 2, 464, 804, 2, 2468, 4356, 2, 13740, 24538, 2, 79006, 142346, 2, 465374, 844154, 2, 2793340, 5094494, 2, 17024342, 31187522, 2, 105069752, 193197732, 2, 655339708, 1208811268, 2, 4124342730, 7628174840, 2

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 1 of A232526

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=7

..1..2....0..1....1..3....0..2....0..1....0..2....0..1....0..1....1..2....0..2

..1..2....2..0....3..2....0..2....2..0....2..1....0..1....0..1....3..1....2..1

..1..2....0..1....3..2....2..1....2..0....0..2....0..1....2..0....3..1....2..1

..1..2....2..0....3..2....0..2....0..1....2..1....2..0....2..0....1..2....2..1

..3..1....0..1....1..3....0..2....0..1....2..1....0..1....2..0....1..2....0..2

..1..2....2..0....1..3....2..1....0..1....2..1....0..1....0..1....1..2....0..2

..3..1....0..1....3..2....2..1....2..0....2..1....0..1....0..1....3..1....2..1

..1..2....0..1....3..2....2..1....0..1....0..2....2..0....0..1....1..2....2..1

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2013

STATUS

approved

A232524

Number of (n+1)X(2+1) 0..3 arrays x(i,j) with every row sum{j*x(i,j), j=1..2+1} equal, and every column sum{i*x(i,j), i=1..n+1} equal, with top left element <= 1

+10
1

4, 16, 19, 50, 124, 575, 3144, 4295, 6598, 187278, 794064, 352184, 3216594, 72624593, 302124719, 211890512, 873813773, 37925335274, 205775541009, 64287205753, 114754329270, 28290860713744, 148492292915657, 9028872587264

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 2 of A232526

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=7

..1..3..1....0..3..1....0..3..2....0..1..2....1..1..2....0..0..3....0..3..0

..3..2..1....0..3..1....3..0..3....2..3..0....0..0..3....0..0..3....2..2..0

..1..3..1....3..0..2....1..1..3....3..1..1....3..3..0....1..1..2....2..2..0

..2..1..2....0..0..3....3..0..3....3..1..1....0..0..3....2..2..1....2..2..0

..3..2..1....0..0..3....0..3..2....3..1..1....1..1..2....3..3..0....0..3..0

..2..1..2....0..0..3....1..1..3....0..1..2....3..3..0....2..2..1....3..0..1

..1..0..3....3..3..0....3..3..1....0..1..2....3..3..0....0..0..3....0..0..2

..1..3..1....3..3..0....3..3..1....1..2..1....0..0..3....2..2..1....0..0..2

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2013

STATUS

approved

A232525

Number of (n+1)X(3+1) 0..3 arrays x(i,j) with every row sum{j*x(i,j), j=1..3+1} equal, and every column sum{i*x(i,j), i=1..n+1} equal, with top left element <= 1

+10
0

2, 19, 223, 619, 523, 16285, 141433, 2231968, 20520962, 138309075, 1507636982, 428685674

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A232526

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=3

..1..1..3..1....0..2..1..3....1..3..3..0....1..2..1..2....0..1..1..2

..2..0..2..2....1..3..0..3....2..0..2..2....2..0..2..2....2..0..1..2

..1..1..3..1....3..1..2..2....1..3..3..0....1..2..1..2....3..0..2..1

..2..3..0..2....2..2..3..1....2..1..0..3....2..2..2..1....0..3..1..1

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2013

STATUS

approved

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