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A209812
Number of (n+1)X7 0..3 arrays with every 2X2 subblock having two distinct values, and new values 0..3 introduced in row major order
1
29782, 2377378, 201392025, 18479672376, 1723218327331, 163050586738067, 15504605303759031, 1479750086026160266, 141469984114652971017, 13541106121228119997018, 1296999869113669232283019
OFFSET
1,1
COMMENTS
Column 6 of A209814
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1..0..1..0....0..0..1..0..0..0..2....0..0..0..0..1..0..2
..0..1..0..1..1..1..0....1..0..0..0..3..0..2....2..2..2..0..0..0..2
..1..1..0..0..0..0..0....1..1..1..0..3..0..2....3..2..0..0..3..0..2
..2..1..0..1..0..1..0....2..2..1..0..3..0..0....3..2..2..0..3..0..0
..2..1..0..0..0..0..1....1..1..1..0..3..3..3....2..2..0..0..3..3..3
CROSSREFS
Sequence in context: A206070 A056747 A157614 * A258755 A251681 A183852
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 13 2012
STATUS
approved