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A295252 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s. 1
81, 3082, 132993, 5611444, 238620900, 10130231034, 430246838462, 18271078872449, 775938327252984, 32952280860905243, 1399410212643690245, 59429797645640463296, 2523850141539679904426, 107182244435332709744186 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A295253.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A295253.

Sequence in context: A253516 A038398 A205902 * A295651 A143652 A270343

Adjacent sequences:  A295249 A295250 A295251 * A295253 A295254 A295255

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 18 2017

STATUS

approved

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Last modified December 1 16:44 EST 2021. Contains 349430 sequences. (Running on oeis4.)