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A296334 Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0 or 2 neighboring 1s. 1
34, 705, 10277, 180404, 3051494, 51335713, 869077778, 14686634221, 248214082895, 4195672165071, 70917160317395, 1198689440814874, 20261102869525595, 342467454375040876, 5788629587868911080, 97843565288256133869 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A296335.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A296335.

Sequence in context: A061689 A166217 A188711 * A296634 A016109 A028211

Adjacent sequences:  A296331 A296332 A296333 * A296335 A296336 A296337

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2017

STATUS

approved

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Last modified July 8 01:48 EDT 2020. Contains 335502 sequences. (Running on oeis4.)