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A210172
Number of (n+1)X7 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order
1
59178, 9173091, 1323907951, 188568419989, 26640186018717, 3748133016211929, 526005343487519133, 73706883182657394867, 10318722914922314099443, 1443787914404541881751435, 201946673325313730165095787
OFFSET
1,1
COMMENTS
Column 6 of A210174
LINKS
EXAMPLE
Some solutions for n=4
..0..1..2..1..0..2..3....0..1..0..2..1..2..2....0..0..0..0..1..0..1
..2..3..0..3..2..2..3....3..2..3..1..2..1..1....0..1..0..1..0..0..0
..2..2..1..2..2..3..2....1..0..1..1..1..1..2....1..0..0..0..1..1..1
..1..1..2..1..1..0..1....1..0..0..0..0..1..1....1..0..2..2..3..1..3
..3..3..0..3..1..0..0....2..3..0..3..3..2..2....3..2..0..0..1..3..3
CROSSREFS
Sequence in context: A352038 A321814 A288886 * A333056 A224972 A104919
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2012
STATUS
approved