A185841 Number of (n+1)X6 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace

12609, 2506851, 254648349, 29306445165, 3293066139075, 373447226493477, 42234121752791535, 4780252449901079883, 540916812735057941751, 61212736629353668954095, 6926987609291166804461061

Offset

1,1

Comments

Column 5 of A185845

Links

R. H. Hardin, Table of n, a(n) for n = 1..68

Example

Some solutions for 3X6
..1..0..0..2..1..0....2..2..2..0..0..2....0..1..1..1..1..2....1..1..1..2..0..2
..0..0..0..0..1..2....0..0..0..0..1..2....0..0..0..0..0..0....0..0..1..1..1..2
..0..1..0..0..0..2....0..1..1..1..1..1....0..0..2..2..2..1....0..1..2..2..2..1

Crossrefs

Sequence in context: A352586 A261860 A187136 * A219332 A254262 A254255

Adjacent sequences: A185838 A185839 A185840 * A185842 A185843 A185844

Keyword

nonn

Author

R. H. Hardin Feb 05 2011

Status

approved