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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. 1
5, 256, 5065, 94368, 1604067, 26180826, 414085368, 6406597648, 97480211225, 1463896864692, 21753273510360, 320461563276470, 4686814034042643, 68124911104620870, 984999389958209910, 14176505420268232960 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 22 07:39 EST 2020. Contains 331139 sequences. (Running on oeis4.)