A284454 Number of n X 7 0..1 arrays with the number of 1's king-move adjacent to some 0 one less than the number of 0's adjacent to some 1.

28, 0, 278315, 12957944, 3478866516, 197373621124, 45913351929099, 3020610942888634, 635171432700031740, 46935468157115829048, 9070472121517777538083, 735727339860385496580626

Offset

1,1

Comments

Column 7 of A284455.

Links

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

Example

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

Crossrefs

Cf. A284455.

Sequence in context: A243105 A023925 A022067 * A040790 A040789 A040791

Adjacent sequences: A284451 A284452 A284453 * A284455 A284456 A284457

Keyword

nonn

Author

R. H. Hardin, Mar 27 2017

Status

approved