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A299572
Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
5, 49, 113, 844, 3324, 17389, 98466, 505680, 2704280, 14896422, 80674960, 436599237, 2382400710, 12987126903, 70685553416, 385228050075, 2100424810349, 11448535312384, 62405674198686, 340233296698539, 1854922794640746
OFFSET
1,1
COMMENTS
Column 6 of A299574.
LINKS
EXAMPLE
Some solutions for n=7
..0..1..1..1..0..1. .0..0..1..0..0..1. .0..1..0..0..1..1. .0..0..1..0..1..1
..0..0..1..1..1..0. .1..0..1..0..1..1. .0..1..1..0..1..0. .1..0..1..1..0..0
..1..1..1..1..1..0. .1..0..0..0..1..1. .1..1..1..1..1..0. .1..1..1..0..0..1
..0..1..1..1..1..0. .0..0..0..0..1..1. .1..1..1..1..1..0. .1..1..1..0..0..1
..0..0..1..1..1..0. .0..0..0..0..1..0. .0..1..1..1..1..0. .1..1..1..0..0..1
..1..1..1..1..1..0. .0..0..1..0..0..0. .1..0..0..0..0..1. .1..0..1..1..0..1
..1..0..0..0..0..1. .0..1..1..0..1..1. .0..0..0..0..1..0. .0..0..1..0..1..0
CROSSREFS
Cf. A299574.
Sequence in context: A297957 A298773 A298580 * A266127 A343690 A298394
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 13 2018
STATUS
approved