A232672 Number of (n+1)X(3+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically, diagonally or antidiagonally

1568, 63632, 3684840, 223396744, 12890094328, 754650484792, 44225213151124, 2584211741776292, 151186144890368760, 8844460675691412288, 517305659727029873604, 30259919841364860199036, 1770035563016359258183560

Offset

1,1

Comments

Column 3 of A232677

Links

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

R. H. Hardin, Empirical recurrence of order 5

Formula

Empirical recurrence of order 53 (see link above)

Example

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

Crossrefs

Sequence in context: A252109 A045276 A099542 * A232036 A035765 A107561

Adjacent sequences: A232669 A232670 A232671 * A232673 A232674 A232675

Keyword

nonn

Author

R. H. Hardin, Nov 27 2013

Status

approved