A231954 Number of (n+1)X(5+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero

888, 58350, 3292876, 193955142, 11501370840, 681107245458, 40322931224352, 2387295795105696, 141340282653200376, 8368067905547685676, 495432168745975473688, 29332104206310132471746, 1736609792922871327507812

Offset

1,1

Comments

Column 5 of A231957

Links

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

R. H. Hardin, Empirical recurrence of order 50

Formula

Empirical recurrence of order 50 (see link above)

Example

Some solutions for n=2
..0..0..0..0..1..0....0..1..1..0..0..1....0..0..0..1..1..0....0..0..0..1..1..0
..1..1..1..0..0..1....0..1..1..0..1..1....1..0..1..1..0..0....0..0..1..1..0..0
..1..1..1..0..1..0....1..0..1..1..1..1....1..1..1..0..0..0....1..1..1..0..1..0

Crossrefs

Sequence in context: A006915 A178270 A183751 * A224338 A250513 A252577

Adjacent sequences: A231951 A231952 A231953 * A231955 A231956 A231957

Keyword

nonn

Author

R. H. Hardin, Nov 15 2013

Status

approved