A222646 Number of nX5 0..2 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order

5, 38, 157, 3411, 25724, 640355, 5969486, 171452513, 1679184332, 49651101137, 492598252164, 14686568899907, 146101017534391, 4371548520227608, 43539382164274640, 1306171266098680162, 13019733745716644843

Offset

1,1

Comments

Column 5 of A222649

Links

R. H. Hardin, Table of n, a(n) for n = 1..66

Example

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

Crossrefs

Sequence in context: A247709 A097276 A280437 * A145156 A318102 A163698

Adjacent sequences: A222643 A222644 A222645 * A222647 A222648 A222649

Keyword

nonn

Author

R. H. Hardin Feb 27 2013

Status

approved