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Search: id:A026158
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A026158 a(n) = T(3n,n), where T is the array in A026148. +0
1
1, 2, 16, 120, 946, 7644, 62831, 522784, 4389779, 37123554, 315735122, 2697813440, 23140821753, 199142458570 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A046105 A086854 A026129 this_sequence A025185 A090672 A027309

Adjacent sequences: A026155 A026156 A026157 this_sequence A026159 A026160 A026161

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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