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Search: id:A026956
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A026956 a(n) = self-convolution of array T given by A026615. +0
1
1, 2, 11, 52, 200, 742, 2752, 10278, 38670, 146426, 557408, 2131318, 8179646, 31491202, 121568150, 470404274, 1823968074, 7085220834, 27567196704, 107414120214, 419080195374 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A034574 A054665 A134963 this_sequence A026986 A026996 A110308

Adjacent sequences: A026953 A026954 A026955 this_sequence A026957 A026958 A026959

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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