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A280123 Number of nX7 0..2 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. 0
36, 776, 11249, 171100, 2433834, 33510642, 454149404, 6104734752, 81402597805, 1075306882708, 14114438688517 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A280124.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=4

..0..0..0..0..0..0..0. .0..0..1..1..1..2..0. .0..0..1..1..1..1..1

..0..0..0..0..1..0..0. .0..1..1..1..0..0..0. .0..0..1..1..2..1..1

..0..0..1..1..1..2..2. .1..1..1..0..0..1..1. .0..1..1..2..2..0..0

..0..1..1..1..2..2..2. .1..1..0..0..1..1..1. .1..1..2..2..0..0..0

CROSSREFS

Cf. A280124.

Sequence in context: A144941 A036084 A265194 * A004338 A228331 A014772

Adjacent sequences:  A280120 A280121 A280122 * A280124 A280125 A280126

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 2016

STATUS

approved

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Last modified February 19 22:38 EST 2019. Contains 320328 sequences. (Running on oeis4.)