A230672 Number of n X 5 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

15, 3387, 340563, 37034355, 4022141121, 436827078531, 47444197636239, 5152946201086569, 559664961809994753, 60785594007085980027, 6601964808003397959249, 717043900743978231419349

Offset

1,1

Comments

Column 5 of A230675.

Links

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

R. H. Hardin, Empirical recurrence of order 80

Formula

Empirical recurrence of order 80 (see link above).

Example

Some solutions for n=3
..0..0..2..1..1....0..0..0..1..1....0..0..1..1..1....0..0..2..1..2
..2..2..1..1..0....1..2..2..0..2....2..2..1..0..2....1..2..0..0..1
..2..0..0..2..1....0..1..0..2..0....0..2..0..1..1....0..1..1..1..2

Crossrefs

Cf. A230675.

Sequence in context: A278630 A161584 A013720 * A145189 A182283 A194479

Adjacent sequences: A230669 A230670 A230671 * A230673 A230674 A230675

Keyword

nonn

Author

R. H. Hardin, Oct 27 2013

Status

approved