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A302263 Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
32, 1405, 19191, 284428, 4289139, 64975832, 982041385, 14850510984, 224584502616, 3396894785618, 51378080369692, 777114464739294, 11754193622516512, 177788578767001402, 2689153640060642062 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A302265.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302265.

Sequence in context: A231040 A254152 A160447 * A302963 A302806 A303467

Adjacent sequences:  A302260 A302261 A302262 * A302264 A302265 A302266

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 2018

STATUS

approved

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Last modified September 17 22:53 EDT 2019. Contains 327147 sequences. (Running on oeis4.)