A296598 Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.

37, 6432, 370000, 26487173, 1952733110, 139547279602, 10046940260800, 723805695940277, 52099265384617231, 3750789602427272414, 270036038038577822508, 19440749034215131310199, 1399605769698172119764162

Offset

1,1

Comments

Column 7 of A296599.

Links

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

Example

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

Crossrefs

Cf. A296599.

Sequence in context: A295415 A202801 A226307 * A221034 A221498 A296687

Adjacent sequences: A296595 A296596 A296597 * A296599 A296600 A296601

Keyword

nonn

Author

R. H. Hardin, Dec 16 2017

Status

approved