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Search: id:A026991
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A026991 self-convolution of array T given by A026692. +0
1
1, 2, 6, 20, 98, 502, 2126, 8382, 39624, 203562, 922944, 3886840, 18431462, 93930404, 435553556, 1893481706, 9028569112, 45794495192, 214665970468, 950426429104 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A079570 A131842 A020095 this_sequence A049379 A003094 A073964

Adjacent sequences: A026988 A026989 A026990 this_sequence A026992 A026993 A026994

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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