A280232 Number of nX7 0..1 arrays with no element unequal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

15, 42, 95, 678, 3376, 16282, 80825, 377706, 1780344, 8321484, 38431266, 177322266, 812861536, 3712259660, 16906747879, 76738963064, 347459922194, 1569637145558, 7075367986446, 31833804360316, 142976818494750, 641124031114626

Offset

1,1

Comments

Column 7 of A280233.

Links

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

Example

Some solutions for n=4
..0..0..0..0..1..1..1. .0..0..0..1..1..1..1. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .1..0..0..1..1..1..1. .0..0..0..0..0..1..1
..1..1..0..0..0..1..1. .0..0..0..0..1..1..1. .1..1..0..0..1..1..1
..1..1..1..0..0..1..1. .0..0..0..0..1..1..1. .1..1..1..1..1..1..1

Crossrefs

Cf. A280233.

Sequence in context: A173351 A051867 A008976 * A233302 A072119 A069127

Adjacent sequences: A280229 A280230 A280231 * A280233 A280234 A280235

Keyword

nonn

Author

R. H. Hardin, Dec 29 2016

Status

approved