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A280160 Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
15, 208, 2901, 30874, 318220, 3138340, 30089398, 285461736, 2671391625, 24767920958, 227975959120, 2085061428192, 18968539604655, 171769706597400, 1549174969429286, 13922125649869206, 124717748809003344 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A280161.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A280161.

Sequence in context: A089138 A271333 A051813 * A239991 A274563 A028230

Adjacent sequences:  A280157 A280158 A280159 * A280161 A280162 A280163

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 27 2016

STATUS

approved

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Last modified November 15 11:35 EST 2018. Contains 317238 sequences. (Running on oeis4.)