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A305279
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.
1
1, 272, 256, 2130, 5060, 26577, 96739, 437098, 1790654, 7846313, 33489668, 146020567, 632928299, 2759573954, 12031721087, 52517794501, 229550541255, 1003154198402, 4390141774803, 19203048654511, 84095708519850
OFFSET
1,2
COMMENTS
Column 6 of A305281.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..1..0. .0..0..0..0..1..1. .0..0..0..1..1..0. .0..0..1..0..1..0
..1..0..0..1..1..1. .1..1..1..0..0..0. .1..1..1..0..0..1. .1..1..0..0..0..1
..1..0..0..1..1..0. .0..1..1..1..0..1. .1..1..1..0..0..1. .1..1..0..0..0..1
..1..0..0..1..1..0. .0..0..1..1..1..0. .1..1..1..0..0..1. .1..1..0..0..0..1
..0..1..0..0..1..0. .1..0..0..1..0..1. .0..0..0..1..0..1. .1..1..0..1..1..0
CROSSREFS
Cf. A305281.
Sequence in context: A332978 A214012 A303886 * A005933 A112820 A304892
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 29 2018
STATUS
approved