A304352 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

8, 57, 60, 333, 1540, 5153, 34887, 269948, 1656222, 12071051, 92872637, 662228442, 4848679708, 36236554746, 266063324645, 1957383387818, 14490214244669, 106903171038603, 788242516006699, 5821518987755010, 42971977766410726

Offset

1,1

Comments

Column 5 of A304355.

Links

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

Example

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

Crossrefs

Cf. A304355.

Sequence in context: A202863 A244958 A043071 * A305915 A316236 A317157

Adjacent sequences: A304349 A304350 A304351 * A304353 A304354 A304355

Keyword

nonn

Author

R. H. Hardin, May 11 2018

Status

approved