A316380 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

3, 313, 2280, 29877, 353009, 4067961, 47958446, 564507777, 6610746658, 77694848040, 912260846606, 10709260109152, 125757004025595, 1476568230417149, 17337018235159077, 203566710549671542

Offset

1,1

Comments

Column 5 of A316383.

Links

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

Example

Some solutions for n=5
..0..0..0..1..0. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..1..0
..1..1..1..1..1. .1..0..0..1..0. .1..0..0..0..0. .0..1..0..1..0
..0..1..1..0..0. .1..0..0..0..0. .1..0..1..0..1. .1..1..0..0..1
..1..0..0..0..0. .0..0..1..0..0. .0..0..0..0..1. .1..1..0..0..1
..0..0..0..1..1. .0..1..1..0..1. .1..0..0..1..0. .1..0..1..1..0

Crossrefs

Cf. A316383.

Sequence in context: A304898 A316580 A304594 * A306140 A317373 A083974

Adjacent sequences: A316377 A316378 A316379 * A316381 A316382 A316383

Keyword

nonn

Author

R. H. Hardin, Jun 30 2018

Status

approved