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A297652 Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s. 1
21, 1845, 45036, 1580681, 56630842, 1906300826, 65775301075, 2265577299182, 77814433907002, 2676719924368494, 92051980153163166, 3165307212249071372, 108852027486036181894, 3743236634629271063055, 128723199495612208662339 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A297654.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A297654.

Sequence in context: A278776 A296597 A203327 * A243664 A232949 A305145

Adjacent sequences:  A297649 A297650 A297651 * A297653 A297654 A297655

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2018

STATUS

approved

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Last modified May 26 21:56 EDT 2022. Contains 354092 sequences. (Running on oeis4.)