login
A286977
Number of n X 6 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
1
1, 520, 32253, 1853532, 108110791, 6394436704, 382399996325, 23061514189084, 1399727072882973, 85393260809630392, 5231506248052898794, 321628304145152717720, 19832505642478450579224, 1226074610187600024235498
OFFSET
1,2
COMMENTS
Column 6 of A286979.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0..1..0..0. .0..1..1..1..0..0. .0..1..1..0..0..0. .1..0..0..0..1..0
..1..0..0..1..0..0. .0..0..0..1..0..0. .1..0..0..0..0..0. .0..0..0..1..1..0
..1..1..0..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..0. .0..1..1..1..0..0
CROSSREFS
Cf. A286979.
Sequence in context: A183588 A168220 A293105 * A225999 A291998 A300395
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 17 2017
STATUS
approved