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A026628 T(2n,n-1), T given by A026626. +0
1
1, 6, 21, 79, 296, 1117, 4237, 16147, 61782, 237208, 913466, 3526826, 13647886, 52920075, 205566205, 799791235, 3116196550, 12157265980, 47485135510, 185671296850, 726703966600, 2846827216330, 11161555459090, 43794648931054 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A006814 A108136 A054625 this_sequence A053768 A108306 A134927

Adjacent sequences: A026625 A026626 A026627 this_sequence A026629 A026630 A026631

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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