A296687 Number of nX7 0..1 arrays with each 1 adjacent to 1, 2 or 3 king-move neighboring 1s.

37, 6737, 226599, 12227803, 732185986, 38342595769, 2094245366560, 115207878553368, 6267132000869767, 342174418949516681, 18692155801234856482, 1020141785160732198099, 55692897242678373319682

Offset

1,1

Comments

Column 7 of A296688.

Links

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

Example

Some solutions for n=2
..0..1..0..0..1..0..1. .1..1..0..0..0..1..0. .0..1..0..1..1..1..1
..0..0..1..1..0..0..1. .1..1..0..1..1..0..0. .1..1..0..0..0..0..1

Crossrefs

Cf. A296688.

Sequence in context: A296598 A221034 A221498 * A297653 A273196 A131272

Adjacent sequences: A296684 A296685 A296686 * A296688 A296689 A296690

Keyword

nonn

Author

R. H. Hardin, Dec 18 2017

Status

approved