A276298 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.

32, 972, 11061, 191289, 3363533, 59728757, 1073114625, 19398127957, 352134188049, 6411366745009, 116968919067345, 2136970404746881, 39079329109218881, 715131332395127357, 13092569895751007281

Offset

1,1

Comments

Column 7 of A276299.

Links

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

Example

Some solutions for n=4
..0..1..0..1..0..1..2. .0..1..0..2..0..1..2. .0..1..0..2..1..0..1
..2..1..0..1..2..1..0. .0..2..0..1..2..1..2. .0..2..1..2..1..2..0
..0..1..0..1..2..1..2. .0..2..0..1..0..1..2. .1..2..0..2..0..2..1
..2..1..2..1..2..1..0. .1..2..0..1..0..1..0. .1..2..1..2..0..2..1

Crossrefs

Cf. A276299.

Sequence in context: A299940 A274894 A275136 * A282313 A264344 A228983

Adjacent sequences: A276295 A276296 A276297 * A276299 A276300 A276301

Keyword

nonn

Author

R. H. Hardin, Aug 28 2016

Status

approved