A286215 Number of n X 7 0..1 arrays with the number of 1's king-move adjacent to some 0 two less than the number of 0's adjacent to some 1.

3, 3468, 123541, 30004158, 1569283128, 380797680269, 23594688741164, 5201563721481604, 366234192215237315, 73710966822498902306, 5745557094114966956143, 1070211615398838835193976

Offset

1,1

Comments

Column 7 of A286216.

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

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

Crossrefs

Cf. A286216.

Sequence in context: A359130 A193447 A134909 * A259157 A003831 A200735

Adjacent sequences: A286212 A286213 A286214 * A286216 A286217 A286218

Keyword

nonn

Author

R. H. Hardin, May 04 2017

Status

approved