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A302727 Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
8, 98, 363, 1723, 16265, 89121, 532511, 4281120, 26823700, 176193198, 1287161045, 8543705276, 58177418523, 410055506135, 2784959794292, 19190983835759, 133544369858762, 915736969076289, 6331727880485698, 43862835910755482 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A302728.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302728.

Sequence in context: A292747 A083182 A302277 * A116267 A183334 A196327

Adjacent sequences:  A302724 A302725 A302726 * A302728 A302729 A302730

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 12 2018

STATUS

approved

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Last modified June 28 19:10 EDT 2022. Contains 354907 sequences. (Running on oeis4.)