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A026630 T(2n-1,n-1), T given by A026626. 0
1, 4, 14, 49, 177, 650, 2417, 9071, 34289, 130360, 497928, 1909322, 7345470, 28338826, 109597727, 424761659, 1649314553, 6414825656, 24986917292, 97458970094, 380589237038, 1487882440676, 5822592097682, 22806739654454 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Sequence in context: A001894 A215493 A079309 * A034459 A120747 A229314

Adjacent sequences:  A026627 A026628 A026629 * A026631 A026632 A026633

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 22 14:20 EDT 2021. Contains 343177 sequences. (Running on oeis4.)