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A300034
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 864, 5066, 84948, 2004660, 49405101, 1240303182, 31113970216, 788871054393, 20092562629932, 510958535211677, 13009270735109394, 331353822965856875, 8439104261744685317, 214949105704407457675, 5475052418178187648105
OFFSET
1,2
COMMENTS
Column 7 of A300035.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0..0..1. .0..0..1..1..1..0..0. .0..1..0..0..0..1..1
..0..1..0..1..1..0..0. .0..1..0..0..0..1..0. .0..0..0..1..1..0..1
..0..0..1..0..1..0..1. .0..0..1..0..1..1..0. .0..0..1..1..0..1..0
..0..0..0..0..1..0..0. .0..1..1..1..1..0..0. .0..1..0..1..0..0..1
..0..1..0..0..1..1..0. .0..0..0..0..0..0..1. .0..0..1..0..1..1..1
CROSSREFS
Cf. A300035.
Sequence in context: A097982 A298327 A299220 * A064321 A210408 A299413
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 23 2018
STATUS
approved