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A302476
Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
0, 361, 5486, 53575, 990266, 16983273, 278275383, 4682106140, 78091963061, 1304871157349, 21829592367835, 364830266619813, 6098698249636345, 101957315261866452, 1704401567489761285, 28492535448530089581
OFFSET
1,2
COMMENTS
Row 6 of A302472.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0. .0..0..0..1..0. .0..0..0..1..0. .0..0..0..1..0
..0..1..1..0..1. .0..1..1..0..1. .0..1..1..0..1. .1..0..1..0..0
..0..1..1..0..0. .0..0..1..1..0. .0..0..1..1..0. .1..1..0..0..0
..0..0..1..1..0. .1..0..1..0..1. .0..0..1..0..1. .0..1..0..1..0
..1..0..0..1..1. .1..1..0..0..1. .0..0..1..1..0. .0..0..0..1..1
..1..1..0..1..1. .1..1..1..1..1. .0..0..1..0..1. .0..1..1..0..0
CROSSREFS
Cf. A302472.
Sequence in context: A361704 A302229 A302672 * A231975 A112078 A303257
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 08 2018
STATUS
approved