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Search: id:A068239
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A068239 1/2 the number of colorings of a 3 X 3 square array with n colors. +0
67
1, 123, 4806, 71410, 583455, 3232341, 13675228, 47502036, 141991245, 377162335, 910842306, 2033854758, 4253012491, 8411348505, 15856955640, 28673921896, 49991146713, 84387303171, 138412872190, 221253017370, 345558093111 (list; graph; listen)
OFFSET

2,2
CROSSREFS

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

Sequence in context: A167231 A160040 A163711 this_sequence A098683 A135479 A095761

Adjacent sequences: A068236 A068237 A068238 this_sequence A068240 A068241 A068242

KEYWORD

nonn

AUTHOR

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

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Last modified November 22 15:28 EST 2009. Contains 167310 sequences.

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