A222376 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order

5, 63, 498, 20340, 271141, 16985929, 286125939, 20743320247, 373691424190, 27882988244881, 509605326368069, 38307687628079400, 703184052898346968, 52999539133762131621, 974700127061083249468, 73589121388228405830161

Offset

1,1

Comments

Column 5 of A222378

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=4
..0..0..0..0..1....0..0..1..0..2....0..0..0..1..2....0..0..1..1..1
..0..0..0..1..1....0..0..3..0..1....0..0..0..1..0....0..1..1..1..1
..0..0..2..0..1....0..0..0..0..0....0..0..0..0..1....0..2..1..1..1
..0..0..0..1..1....0..0..0..0..0....0..0..0..0..2....0..2..1..1..1

Crossrefs

Sequence in context: A238087 A063079 A362786 * A243218 A112788 A361406

Adjacent sequences: A222373 A222374 A222375 * A222377 A222378 A222379

Keyword

nonn

Author

R. H. Hardin Feb 17 2013

Status

approved