A232457 Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally

73, 198945, 103104905, 59192688269, 35630507175345, 21136983701111465, 12543745301001506913, 7449142617175430924281, 4423028636981416221000673, 2626216746153116853845829245, 1559356177379175240127485003485

Offset

1,1

Comments

Column 6 of A232459

Links

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

Example

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

Crossrefs

Sequence in context: A232366 A183490 A232307 * A262662 A291991 A188957

Adjacent sequences: A232454 A232455 A232456 * A232458 A232459 A232460

Keyword

nonn

Author

R. H. Hardin, Nov 24 2013

Status

approved