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Search: id:A026666
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A026666 T(n,0) + T(n,1) + ... + T(n,n), T given by A026659. +0
1
1, 2, 4, 10, 20, 42, 84, 196, 392, 842, 1684, 3878, 7756, 16786, 33572, 76846, 153692, 333998, 667996, 1523448, 3046896, 6639150, 13278300, 30206468, 60412936, 131892226, 263784452, 598952096, 1197904192, 2619074230 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A167030 A167193 A026644 this_sequence A121880 A094536 A003407

Adjacent sequences: A026663 A026664 A026665 this_sequence A026667 A026668 A026669

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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