A298278 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

5, 888, 41437, 1735247, 75989207, 3328434344, 145597697355, 6369396379414, 278645510729761, 12190048023877034, 533284144559181259, 23329849192633109718, 1020622637008217362893, 44649691628680410576464

Offset

1,1

Comments

Column 6 of A298280.

Links

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

Example

Some solutions for n=3
..0..1..1..0..0..1. .0..0..1..0..0..1. .0..1..1..0..0..0. .0..0..1..1..1..1
..0..1..1..0..1..1. .0..1..0..1..0..1. .0..1..1..0..1..0. .1..0..1..0..1..0
..1..1..0..0..0..0. .0..0..1..0..1..0. .1..1..0..1..0..0. .0..1..1..0..0..1

Crossrefs

Cf. A298280.

Sequence in context: A190350 A135084 A206356 * A299371 A299140 A299935

Adjacent sequences: A298275 A298276 A298277 * A298279 A298280 A298281

Keyword

nonn

Author

R. H. Hardin, Jan 16 2018

Status

approved