A279982 Number of 6Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
0, 366, 8666, 118857, 1393359, 14787217, 144819856, 1355133674, 12222561957, 107168421376, 919014967352, 7738697955701, 64184333582436, 525544904926118, 4256024819831325, 34138948634797208, 271561971723338553
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..0..1. .0..1..0..1. .0..0..1..0. .0..0..1..0. .0..1..0..1 ..1..0..1..0. .1..0..0..0. .1..0..1..1. .1..1..0..0. .1..0..1..0 ..0..0..1..0. .0..1..1..0. .1..0..1..0. .0..1..1..1. .1..0..0..1 ..0..1..1..0. .0..0..1..0. .1..1..0..1. .1..0..0..1. .1..0..1..0 ..0..0..1..0. .1..0..0..1. .0..0..1..1. .0..0..1..1. .1..1..0..1 ..1..0..0..1. .0..1..0..0. .1..0..0..1. .1..0..0..1. .0..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..124
Crossrefs
Cf. A279977.
Comments