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A185841
Number of (n+1)X6 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace
1
12609, 2506851, 254648349, 29306445165, 3293066139075, 373447226493477, 42234121752791535, 4780252449901079883, 540916812735057941751, 61212736629353668954095, 6926987609291166804461061
OFFSET
1,1
COMMENTS
Column 5 of A185845
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 05 2011
STATUS
approved