A281886 Number of nX6 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

0, 0, 35002, 1282388, 38763782, 1091754188, 29340232714, 763669110112, 19447316121332, 487171820681716, 12046921218733166, 294811468312002676, 7153161608999029130, 172321673446894993044, 4126071137135127741830

Offset

1,3

Comments

Column 6 of A281888.

Links

R. H. Hardin, Table of n, a(n) for n = 1..171

Example

Some solutions for n=3
..0..1..1..0..1..0. .0..1..0..1..0..1. .0..1..0..0..1..1. .0..0..1..0..0..0
..0..1..0..1..0..1. .1..0..0..1..0..0. .0..0..0..0..0..0. .0..1..1..1..0..0
..0..1..1..1..1..1. .0..1..0..0..1..0. .1..1..1..1..0..1. .0..0..0..0..1..1

Crossrefs

Cf. A281888.

Sequence in context: A319589 A237065 A233631 * A031835 A250525 A251063

Adjacent sequences: A281883 A281884 A281885 * A281887 A281888 A281889

Keyword

nonn

Author

R. H. Hardin, Feb 01 2017

Status

approved