A269213 Number of nX7 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.

5832, 2546304, 1012764384, 354189986208, 116322554833728, 36713945487331392, 11273191243423937904, 3392211859561264876416, 1005065652737890110097824, 294164506851983123928014976, 85246917739611183231260455872

Offset

1,1

Comments

Column 7 of A269214.

Links

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

Example

Some solutions for n=1
..0..0..0..0..3..1..3. .1..0..2..0..3..3..1. .2..3..2..2..1..0..1

Crossrefs

Cf. A269214.

Sequence in context: A269185 A147859 A269151 * A114771 A269096 A269275

Adjacent sequences: A269210 A269211 A269212 * A269214 A269215 A269216

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved