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A206382
Number of (n+1)X8 0..3 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..3 introduced in row major order
0
3375401, 4648291369, 6728546532521, 9803619036105721, 14294968502144130953, 20848171803769792984489
OFFSET
1,1
COMMENTS
Column 7 of A206383
EXAMPLE
Some solutions for n=4
..0..1..1..2..2..0..1..3....0..0..0..0..0..1..2..1....0..0..0..0..1..0..1..0
..1..3..1..1..2..2..0..1....1..1..2..2..3..1..2..3....0..1..0..1..1..1..1..1
..1..1..2..1..1..2..2..0....3..3..0..0..3..0..2..3....1..1..1..3..1..2..1..2
..2..1..1..1..2..2..1..2....1..2..1..1..3..1..1..0....3..1..0..1..0..1..3..1
..1..3..1..3..1..2..2..2....3..2..3..0..2..2..2..0....2..3..1..2..1..3..3..3
CROSSREFS
Sequence in context: A015408 A036472 A206168 * A114682 A157106 A123201
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 07 2012
STATUS
approved