A232080 - OEIS

A232080

Number of (4+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero

111, 3985, 82996, 2265691, 64298979, 1786680190, 49535329657, 1375366780223, 38192786490900, 1060470627750905, 29445068097883913, 817579005907041518, 22701109558899272767, 630324525317504125167, 17501743597007465575440

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OFFSET

1,1

COMMENTS

Row 4 of A232076

LINKS

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

R. H. Hardin, Empirical recurrence of order 54

FORMULA

Empirical recurrence of order 54 (see link above)

EXAMPLE

Some solutions for n=3

..0..0..0..0....0..1..1..1....0..0..1..0....0..0..0..0....0..0..1..0

..1..1..1..1....0..0..1..1....0..1..0..1....1..1..0..1....0..1..0..0

..1..0..0..1....1..0..1..1....0..0..0..0....1..0..1..0....1..1..1..0

..1..1..0..0....1..1..1..1....1..0..1..0....1..0..0..0....0..0..1..1

..0..0..1..1....1..0..0..0....1..1..1..1....1..1..1..0....0..1..0..1

CROSSREFS

Sequence in context: A008396 A332950 A302956 * A332914 A129051 A012039

Adjacent sequences: A232077 A232078 A232079 * A232081 A232082 A232083

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 17 2013

STATUS

approved