A275265 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2.

365, 69984, 109760, 767400, 11894712, 194398028, 3224773976, 56045462432, 981633748272, 17187870741644, 303633887413792, 5399984088179496, 96283610857226024, 1720783576411462088, 30829314650302583344

Offset

1,1

Comments

Column 7 of A275266.

Links

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

Example

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

Crossrefs

Cf. A275266.

Sequence in context: A233072 A275503 A275400 * A233097 A223386 A275095

Adjacent sequences: A275262 A275263 A275264 * A275266 A275267 A275268

Keyword

nonn

Author

R. H. Hardin, Jul 21 2016

Status

approved