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A295119 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1s. 1
13, 178, 1960, 24347, 295083, 3590821, 43655680, 530696748, 6452840307, 78464174127, 953998068679, 11599362088138, 141035410432226, 1714816891986887, 20850061397844599, 253511401875888073 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A295120.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A295120.

Sequence in context: A331496 A196435 A197198 * A196956 A132386 A127390

Adjacent sequences:  A295116 A295117 A295118 * A295120 A295121 A295122

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 15 2017

STATUS

approved

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Last modified January 21 01:45 EST 2022. Contains 350473 sequences. (Running on oeis4.)