A278154 Number of nX5 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.

0, 75, 1759, 43876, 1118946, 28772962, 736017223, 18830978857, 481877272697, 12331031245847, 315541549100809, 8074473377302998, 206619882344006745, 5287251693347146722, 135296899872399464823, 3462148631985469379478

Offset

1,2

Comments

Column 5 of A278157.

Links

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

R. H. Hardin, Empirical recurrence of order 89

Formula

Empirical recurrence of order 89 (see link above)

Example

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

Crossrefs

Cf. A278157.

Sequence in context: A210505 A285856 A202257 * A017791 A017738 A166725

Adjacent sequences: A278151 A278152 A278153 * A278155 A278156 A278157

Keyword

nonn

Author

R. H. Hardin, Nov 13 2016

Status

approved