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A296633 Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. 1
21, 286, 3581, 44783, 565149, 7121315, 89713772, 1130293195, 14240708558, 179419300176, 2260512981540, 28480330069267, 358825298187419, 4520860415119973, 56958579395700728, 717624409759413294 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A296635.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A296635.

Sequence in context: A125456 A296333 A028028 * A025971 A346844 A188710

Adjacent sequences: A296630 A296631 A296632 * A296634 A296635 A296636

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 17 2017

STATUS

approved

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Last modified March 30 19:10 EDT 2023. Contains 361622 sequences. (Running on oeis4.)