A298969 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

64, 8192, 581057, 49885231, 4200575252, 356356552103, 30241030285680, 2566506415636896, 217825152899921097, 18487503017529807194, 1569093086125030344062, 133174005805446365581185

Offset

1,1

Comments

Column 7 of A298970.

Links

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

Example

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

Crossrefs

Cf. A298970.

Sequence in context: A316959 A316814 A320370 * A317564 A299739 A302740

Adjacent sequences: A298966 A298967 A298968 * A298970 A298971 A298972

Keyword

nonn

Author

R. H. Hardin, Jan 30 2018

Status

approved