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A026707 T(2n-1,n-1), T given by A026703. 0
1, 5, 24, 116, 564, 2752, 13457, 65891, 322905, 1583317, 7766507, 38106295, 187002147, 917808733, 4505028968, 22114223996, 108559218028, 532938398090, 2616366650454, 12844836179996, 63061569809046, 309603357661692 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Sequence in context: A004254 A086347 A200739 * A235115 A110190 A026784

Adjacent sequences:  A026704 A026705 A026706 * A026708 A026709 A026710

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 20 17:09 EST 2019. Contains 329337 sequences. (Running on oeis4.)