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A282968 Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements. 1
13, 1062, 70722, 3128641, 124683166, 4646063540, 163712015523, 5565122952951, 183787303136570, 5933174659006889, 188046122434187598, 5869444194877190997, 180856319148205715506, 5511700995496951358631, 166379407700820906229446 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A282969.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A282969.

Sequence in context: A128685 A292337 A201118 * A262632 A076481 A185834

Adjacent sequences:  A282965 A282966 A282967 * A282969 A282970 A282971

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 25 2017

STATUS

approved

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Last modified October 16 23:12 EDT 2018. Contains 316275 sequences. (Running on oeis4.)