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A209966
Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having one or two distinct values, and new values 0..3 introduced in row major order
1
1845, 235614, 27112487, 3143493049, 351689776895, 38303320167422, 4082540189707757, 427998742911795767, 44301308191440007199, 4540404981079741824131, 461754399167951492388812
OFFSET
1,1
COMMENTS
Column 5 of A209969
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0....0..0..0..0..1..1....0..0..0..0..0..0....0..1..0..0..0..1
..0..0..0..0..0..0....0..0..2..0..0..0....0..0..0..0..1..0....0..0..1..0..0..0
..0..0..0..0..0..0....1..0..2..0..2..0....1..0..2..0..0..0....0..0..0..0..1..0
..1..0..2..0..0..3....0..0..2..2..2..2....0..0..0..2..0..1....1..0..0..0..1..1
..1..0..0..2..0..0....1..0..0..0..2..3....0..3..0..0..0..0....0..0..2..0..1..3
CROSSREFS
Sequence in context: A290393 A251109 A236160 * A031935 A137873 A054814
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2012
STATUS
approved