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A230672 Number of nX5 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) 1
15, 3387, 340563, 37034355, 4022141121, 436827078531, 47444197636239, 5152946201086569, 559664961809994753, 60785594007085980027, 6601964808003397959249, 717043900743978231419349 (list; graph; refs; listen; history; text; internal format)
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

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

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Last modified October 20 10:43 EDT 2021. Contains 348100 sequences. (Running on oeis4.)