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Search: id:A015515
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A015515 a(1)=1, a(n) = sum_{k=1}^{k=n-1} (12^k-1)/11 a(k). +0
1
1, 1, 14, 2212, 4171832, 94375183504, 25618521062894816, 83450744014073963641408, 3262026661649164626974053098368, 1530121919008888925087797696409496422656 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A060614 A160305 A134814 this_sequence A080690 A079918 A013719

Adjacent sequences: A015512 A015513 A015514 this_sequence A015516 A015517 A015518

KEYWORD

nonn,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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