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Search: id:A068252
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A068252 1/24 the number of colorings of a 5 X 5 octagonal array with n colors. +0
1
15, 13544240, 138446293905, 122914516488960, 25999554922206250, 2153128175383358880 (list; graph; listen)
OFFSET

4,1
CROSSREFS

Cf. A068239-A068305, A000332, A002417, A027441.

Sequence in context: A013802 A084878 A013874 this_sequence A115242 A072723 A111413

Adjacent sequences: A068249 A068250 A068251 this_sequence A068253 A068254 A068255

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Feb 24 2002

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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