A298335 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

5, 793, 21375, 479767, 11244900, 268494008, 6373591375, 151336485128, 3595159432175, 85399583907027, 2028551956848840, 48186769108453138, 1144641783892128138, 27190092081327539569, 645880571006137229012

Offset

1,1

Comments

Column 6 of A298337.

Links

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

Example

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

Crossrefs

Cf. A298337.

Sequence in context: A051304 A297921 A298545 * A299396 A299226 A300038

Adjacent sequences: A298332 A298333 A298334 * A298336 A298337 A298338

Keyword

nonn

Author

R. H. Hardin, Jan 17 2018

Status

approved