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A295038 Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s. 1
21, 876, 19956, 528282, 13706771, 355281224, 9248214732, 240292442848, 6243986963713, 162252303626409, 4216381439247094, 109570922468132003, 2847344541437365138, 73992200911927723171, 1922796991924326509127 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A295040.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A295040.

Sequence in context: A297718 A296384 A296641 * A295529 A296737 A202810

Adjacent sequences:  A295035 A295036 A295037 * A295039 A295040 A295041

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 12 2017

STATUS

approved

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Last modified September 26 14:45 EDT 2021. Contains 347668 sequences. (Running on oeis4.)