A281719 Number of 5Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

16, 9, 17, 245, 937, 6417, 37781, 214045, 1321909, 7709401, 45858679, 274481652, 1621718293, 9681714758, 57586120717, 342417879408, 2040527424639, 12140992057625, 72295270999213, 430542760825365, 2563358199717255

Offset

1,1

Comments

Row 5 of A281715.

Links

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

Example

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

Crossrefs

Cf. A281715.

Sequence in context: A070567 A257796 A070688 * A103167 A303317 A154615

Adjacent sequences: A281716 A281717 A281718 * A281720 A281721 A281722

Keyword

nonn

Author

R. H. Hardin, Jan 28 2017

Status

approved