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A216081
Number of horizontal and antidiagonal neighbor colorings of the odd squares of an n X 5 array with new integer colors introduced in row major order.
1
1, 12, 136, 12840, 373780, 99827160, 5116799368, 2751754706832, 212339816996032, 194478305002268064, 20707051422399128416, 29191372156840204219200, 4055642578974004982217280, 8220961603626446873042001408
OFFSET
1,2
COMMENTS
Column 5 of A216084.
LINKS
EXAMPLE
Some solutions for n=4
..x..0..x..1..x....x..0..x..1..x....x..0..x..1..x....x..0..x..1..x
..2..x..3..x..4....2..x..3..x..4....1..x..0..x..2....1..x..2..x..1
..x..5..x..2..x....x..5..x..3..x....x..2..x..3..x....x..3..x..4..x
..1..x..6..x..1....6..x..5..x..1....1..x..4..x..1....4..x..5..x..0
CROSSREFS
Cf. A216084.
Sequence in context: A189501 A373107 A351514 * A264503 A000467 A372733
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 01 2012
STATUS
approved