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Search: id:A026333
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A026333 a(n) = T(3n,n), where T is the array in A026323. +0
1
1, 3, 21, 156, 1221, 9828, 80579, 669273, 5612505, 47416278, 402953376, 3440825160, 29498259546, 253737784446, 2188855109385, 18928808608996, 164046653525181 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A163472 A074575 A091171 this_sequence A074570 A136781 A166696

Adjacent sequences: A026330 A026331 A026332 this_sequence A026334 A026335 A026336

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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