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A204052
Number of (n+2)X6 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order
1
622031, 5883499, 39646479, 316144367, 2336174650, 18005605178, 133138952807, 1021696725403, 7600400348007, 57596403355943, 431103751656442, 3265443131997842, 24492821001141386, 185016562122791635
OFFSET
1,1
COMMENTS
Column 4 of A204056
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..0..2..1....0..0..0..1..0..0....0..0..0..0..0..0....0..1..2..1..3..3
..2..1..0..1..0..3....1..0..0..0..0..0....1..0..0..0..0..1....2..2..1..2..3..1
..1..0..1..0..1..0....0..1..0..0..0..2....1..0..0..0..1..0....2..1..2..3..2..0
..0..1..0..1..0..1....1..0..1..0..0..0....0..0..0..1..0..1....1..2..3..2..3..2
..1..3..3..0..1..1....1..2..0..1..3..0....0..1..1..0..0..0....0..3..2..3..1..3
CROSSREFS
Sequence in context: A341891 A341892 A236064 * A161533 A174975 A053877
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 09 2012
STATUS
approved