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A215922
Number of diagonal and antidiagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order
1
2, 15, 136, 12840, 322768, 87852626, 4044766240, 2227156082842, 157752739276184, 148049849095504726, 14670983946354664200, 21183598567292002167082, 2765649842153732133940784, 5737167377815628378510929822
OFFSET
1,1
COMMENTS
Column 5 of A215924
LINKS
EXAMPLE
Some solutions for n=3
..x..0..x..1..x....x..0..x..1..x....x..0..x..0..x....x..0..x..0..x
..2..x..3..x..0....2..x..3..x..0....1..x..1..x..2....1..x..2..x..3
..x..0..x..1..x....x..4..x..1..x....x..0..x..3..x....x..4..x..1..x
CROSSREFS
Sequence in context: A371579 A214043 A347993 * A285449 A371584 A288950
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 27 2012
STATUS
approved