A299344 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

64, 3440, 21642, 170056, 1511085, 13239850, 114730926, 998177623, 8712117357, 75994142938, 662824512718, 5784324144996, 50479969518098, 440516314971847, 3844399942529091, 33551131285512004, 292808874414500276

Offset

1,1

Comments

Column 7 of A299345.

Links

R. H. Hardin, Table of n, a(n) for n = 1..112

Example

Some solutions for n=4
..0..0..0..0..1..1..0. .0..0..0..1..0..0..0. .0..1..0..1..0..0..0
..0..0..0..0..1..0..0. .0..0..0..1..0..1..1. .0..1..0..1..0..0..0
..0..0..0..0..1..0..1. .0..0..0..1..0..1..0. .0..1..0..1..0..0..0
..0..0..0..0..1..0..1. .1..1..1..1..0..0..1. .1..0..1..1..0..0..0

Crossrefs

Cf. A299345.

Sequence in context: A220744 A298194 A299088 * A299851 A299007 A299674

Adjacent sequences: A299341 A299342 A299343 * A299345 A299346 A299347

Keyword

nonn

Author

R. H. Hardin, Feb 07 2018

Status

approved