A283730 Number of 5Xn 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

0, 176, 9819, 196548, 4096541, 83987692, 1590274565, 29677359902, 545616760880, 9849269195596, 175944472552224, 3114838949659118, 54696686652597729, 954294208361424870, 16556935868415262489, 285859987423847648558

Offset

1,2

Comments

Row 5 of A283726.

Links

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

Example

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

Crossrefs

Cf. A283726.

Sequence in context: A223411 A068244 A283200 * A083961 A158818 A229317

Adjacent sequences: A283727 A283728 A283729 * A283731 A283732 A283733

Keyword

nonn

Author

R. H. Hardin, Mar 15 2017

Status

approved