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Search: id:A027978
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A027978 a(n) = self-convolution of row n of array T given by A027960. +0
1
1, 11, 42, 145, 473, 1484, 4529, 13543, 39870, 115937, 333781, 953056, 2702497, 7618115, 21365778, 59657329, 165926609, 459905588, 1270819025, 3501855007, 9625627686, 26398369601, 72248624077, 197361589960, 538199264833 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A055437 A055436 A062517 this_sequence A050489 A156533 A096638

Adjacent sequences: A027975 A027976 A027977 this_sequence A027979 A027980 A027981

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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