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Search: id:A026722
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A026722 a(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A026714. +0
1
1, 1, 4, 6, 21, 34, 113, 188, 607, 1023, 3246, 5509, 17290, 29465, 91820, 156878, 486549, 832671, 2574116, 4410189, 13602994, 23323442, 71826377, 123216902, 379031585, 650462028, 1999308247, 3431941721, 10542607578, 18100449404 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A038069 A143391 A019147 this_sequence A151520 A002270 A088228

Adjacent sequences: A026719 A026720 A026721 this_sequence A026723 A026724 A026725

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.

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