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A282591
Number of nX6 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly two elements.
1
0, 220, 28060, 855448, 30003220, 957470936, 28829389941, 848630437758, 24308348318637, 682719076871766, 18874574991350972, 514772312297966798, 13881066387416936463, 370667990433614779614, 9814133804386279987495
OFFSET
1,2
COMMENTS
Column 6 of A282593.
LINKS
EXAMPLE
Some solutions for n=3
..0..1..1..0..0..0. .1..0..0..1..0..0. .0..0..0..1..0..0. .0..1..0..0..0..0
..0..0..1..0..1..1. .1..1..1..0..0..1. .0..0..1..1..0..0. .1..0..1..0..0..1
..1..1..1..0..0..1. .1..0..0..0..0..0. .0..0..1..0..1..1. .0..1..1..0..0..0
CROSSREFS
Cf. A282593.
Sequence in context: A107506 A140918 A049023 * A091756 A167825 A339680
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 19 2017
STATUS
approved