A221386 Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2

0, 190, 20689, 2204556, 229338911, 23796035743, 2468313810280, 256018996534929, 26554240706509311, 2754164301212641518, 285655522885766048508, 29627412820919433306924, 3072868482711331930833327

Offset

1,2

Comments

Column 6 of A221388

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

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

Crossrefs

Sequence in context: A263523 A133241 A229903 * A217225 A369394 A207211

Adjacent sequences: A221383 A221384 A221385 * A221387 A221388 A221389

Keyword

nonn

Author

R. H. Hardin Jan 14 2013

Status

approved