A279740 Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

15, 84, 1887, 42494, 927615, 19743140, 413326300, 8539248826, 174560480712, 3537506044402, 71169030410069, 1423001109534686, 28301960051430033, 560308589581483944, 11048008697742462541, 217065217267795946642

Offset

1,1

Comments

Column 7 of A279741.

Links

R. H. Hardin, Table of n, a(n) for n = 1..183

Example

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

Crossrefs

Cf. A279741.

Sequence in context: A108674 A050405 A241220 * A281189 A206383 A020136

Adjacent sequences: A279737 A279738 A279739 * A279741 A279742 A279743

Keyword

nonn

Author

R. H. Hardin, Dec 18 2016

Status

approved