A300088 Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

21, 64, 19, 359, 3089, 13646, 167131, 1179926, 7203918, 75245386, 508116867, 3750027371, 34007995888, 237070967056, 1896875784101, 15835534124727, 116172506766693, 951502244265963, 7649922105057405, 58629569564622365

Offset: 1

Author

R. H. Hardin, Feb 24 2018

Keywords

• nonn

Comments

Column 7 of A300089.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..141

Crossrefs

Cf. A300089.