A279746 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 one element, and with new values introduced in order 0 sequentially upwards.

0, 240, 3402, 32430, 281350, 2407152, 19743140, 158848594, 1258624282, 9844338028, 76222734478, 585218086730, 4461176817796, 33798763018094, 254698642981228, 1910389951978662, 14270404594453084, 106212957005378782

Offset

1,2

Comments

Row 6 of A279741.

Links

R. H. Hardin, Table of n, a(n) for n = 1..186

Example

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

Crossrefs

Cf. A279741.

Sequence in context: A180277 A357257 A005950 * A004536 A234720 A249533

Adjacent sequences: A279743 A279744 A279745 * A279747 A279748 A279749

Keyword

nonn

Author

R. H. Hardin, Dec 18 2016

Status

approved