A251280 - OEIS

A251280

Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element

9278296, 21215177472, 48514315795424, 110920574724652544, 253597772369472323328, 579798390712632340647936, 1325586647325359897634213120, 3030673262170093813743937690112

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

OFFSET

1,1

COMMENTS

Column 5 of A251283

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A206098 A105175 A212469 * A234395 A204510 A328207

Adjacent sequences: A251277 A251278 A251279 * A251281 A251282 A251283

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved