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A298453 Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
0, 240, 204, 15248, 206239, 4095727, 112275165, 2871621220, 62756244756, 1680472622565, 43197208627165, 1038517293951991, 26665044675200600, 682574655104085964, 16923243467936517267, 429230559842341481820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A298454.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A298454.

Sequence in context: A278179 A100748 A072235 * A121378 A191533 A299527

Adjacent sequences: A298450 A298451 A298452 * A298454 A298455 A298456

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 19 2018

STATUS

approved

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Last modified January 28 23:36 EST 2023. Contains 359905 sequences. (Running on oeis4.)