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A304262 Number of nX7 0..1 arrays with every element unequal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
0, 72, 61, 181, 772, 2516, 10024, 35769, 143364, 546403, 2127606, 8299219, 32202805, 125918125, 490459555, 1914519705, 7464476082, 29134292070, 113630849252, 443388799039, 1729833956517, 6748798176297, 26331366063005, 102730407728899 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A304263.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..1..1..0..1..1..0. .0..0..0..0..1..1..0. .0..1..1..1..1..1..0

..1..1..0..0..0..1..0. .1..1..0..1..0..1..0. .1..1..0..0..0..1..1

..1..0..1..1..1..0..0. .0..1..1..1..0..0..1. .1..0..1..0..1..0..1

..0..0..1..0..0..1..0. .1..1..0..1..0..1..0. .0..0..1..1..1..0..0

..1..1..0..0..1..1..0. .0..0..0..0..1..1..0. .1..0..1..0..1..0..1

CROSSREFS

Cf. A304263.

Sequence in context: A347918 A035879 A033392 * A110678 A008943 A003898

Adjacent sequences:  A304259 A304260 A304261 * A304263 A304264 A304265

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 09 2018

STATUS

approved

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Last modified January 18 20:41 EST 2022. Contains 350455 sequences. (Running on oeis4.)