A283039 Number of nX5 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.

5, 256, 5065, 94368, 1604067, 26180826, 414085368, 6406597648, 97480211225, 1463896864692, 21753273510360, 320461563276470, 4686814034042643, 68124911104620870, 984999389958209910, 14176505420268232960

Offset

1,1

Comments

Column 5 of A283042.

Links

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

R. H. Hardin, Empirical recurrence of order 72

Formula

Empirical recurrence of order 72 (see link above)

Example

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

Crossrefs

Cf. A283042.

Sequence in context: A069071 A275930 A181397 * A055386 A216849 A201606

Adjacent sequences: A283036 A283037 A283038 * A283040 A283041 A283042

Keyword

nonn

Author

R. H. Hardin, Feb 27 2017

Status

approved