A296312 Number of nX7 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.

1, 13, 37, 76, 343, 1198, 3300, 11494, 40212, 124949, 411819, 1420725, 4630181, 15261713, 52974631, 177041204, 594852367, 2123852461, 7288302228, 25323936673, 94640313598, 336885832698, 1226014497892, 4826187854919, 17945571669564

Offset

1,2

Comments

Column 7 of A296313.

Links

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

Example

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

Crossrefs

Cf. A296313.

Sequence in context: A155253 A155234 A222964 * A089114 A163675 A152610

Adjacent sequences: A296309 A296310 A296311 * A296313 A296314 A296315

Keyword

nonn

Author

R. H. Hardin, Dec 10 2017

Status

approved