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A302817
Number of n X 5 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
16, 136, 731, 6905, 57684, 454733, 3825201, 32123578, 264639685, 2203629869, 18405773284, 152902334091, 1272461654915, 10605237319444, 88252334653731, 734612128100785, 6118284502984008, 50933312975687315, 424029719529852441
OFFSET
1,1
COMMENTS
Column 5 of A302820.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1. .0..1..0..1..1. .0..0..1..0..0. .0..0..1..1..0
..0..1..0..0..0. .1..1..0..1..0. .1..1..1..1..0. .1..0..0..1..0
..1..0..1..0..0. .1..0..0..0..0. .1..1..1..1..1. .1..0..1..0..0
..0..0..0..1..1. .1..0..1..0..1. .0..0..0..0..1. .1..1..0..0..0
..1..1..1..0..1. .1..0..1..1..1. .0..0..0..0..1. .0..0..1..1..0
CROSSREFS
Cf. A302820.
Sequence in context: A303013 A059421 A231766 * A303510 A162636 A010968
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 13 2018
STATUS
approved