A298325 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

1, 104, 283, 1998, 17984, 170318, 1664958, 16189372, 158726938, 1564115446, 15395307603, 151705067216, 1495108625927, 14736145620695, 145255235253703, 1431813437909172, 14113964201658879, 139128066125151339

Offset

1,2

Comments

Column 5 of A298328.

Links

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

Example

Some solutions for n=6
..0..0..1..1..1. .0..0..1..0..1. .0..0..1..1..1. .0..0..0..0..0
..0..1..0..0..1. .0..0..1..1..1. .0..1..0..0..1. .0..1..0..1..0
..0..1..1..1..0. .1..0..1..0..1. .1..0..1..0..1. .0..1..1..1..1
..0..0..1..0..0. .0..0..1..0..0. .1..1..0..0..1. .1..0..0..0..1
..0..1..1..1..0. .1..0..0..1..0. .0..1..0..1..1. .1..0..1..1..0
..0..0..1..0..0. .1..1..0..1..1. .0..0..1..1..0. .1..1..1..0..0

Crossrefs

Cf. A298328.

Sequence in context: A235011 A271745 A046298 * A258556 A299218 A300032

Adjacent sequences: A298322 A298323 A298324 * A298326 A298327 A298328

Keyword

nonn

Author

R. H. Hardin, Jan 17 2018

Status

approved