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A153470 1/7 of the number of 7-colorings of a planar n X n X n triangular grid. +0
1
1, 30, 3750, 1953750, 4242798750, 38404604583750, 1448977637979903750 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A115465 A152131 A159993 this_sequence A127849 A166845 A166834

Adjacent sequences: A153467 A153468 A153469 this_sequence A153471 A153472 A153473

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Dec 27 2008

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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