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A306135 Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
1, 908, 3302, 111073, 2889140, 50158767, 1284005626, 29447872807, 652802237683, 15308624071915, 350841208595308, 8037819883921617, 185462115926508188, 4261924531059528797, 98007748366954084707, 2255491854442484629724 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A306136.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A306136.

Sequence in context: A316575 A304550 A316375 * A317270 A002617 A304418

Adjacent sequences:  A306132 A306133 A306134 * A306136 A306137 A306138

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 22 2018

STATUS

approved

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Last modified October 15 15:14 EDT 2019. Contains 328030 sequences. (Running on oeis4.)