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A026662 T(2n,n-2), T given by A026659. 0
1, 8, 38, 202, 873, 4228, 17982, 83986, 356720, 1636710, 6967782, 31651902, 135174069, 610281684, 2614576678, 11756749378, 50516489196, 226522941742, 975898078974, 4367362698334, 18859586883256, 84276937119086, 364693906704798 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..24.

CROSSREFS

Sequence in context: A214931 A229366 A007786 * A196074 A329172 A003353

Adjacent sequences:  A026659 A026660 A026661 * A026663 A026664 A026665

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 24 14:00 EDT 2020. Contains 337321 sequences. (Running on oeis4.)