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A297732 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s. 1
1, 145, 700, 4795, 82549, 673171, 6241242, 74469526, 718454750, 7237789501, 78605147646, 802756282257, 8321237610322, 88309948248405, 920709083264361, 9652601225861871, 101986973953809025, 1072161304466219489 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A297733.

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

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

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

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

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

CROSSREFS

Cf. A297733.

Sequence in context: A116208 A211470 A031702 * A296972 A269015 A234116

Adjacent sequences:  A297729 A297730 A297731 * A297733 A297734 A297735

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2018

STATUS

approved

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Last modified September 15 16:33 EDT 2019. Contains 327078 sequences. (Running on oeis4.)