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A026291 a(n) = T(2n-1,n), where T is the array in A026268. 0
2, 14, 79, 446, 2530, 14442, 82913, 478384, 2771900, 16119808, 94038087, 550083340, 3225409094, 18951732050, 111562247565, 657813211278, 3884461464740, 22968812720476, 135978792939818 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..20.

CROSSREFS

Sequence in context: A183577 A121200 A112408 * A220867 A216985 A102401

Adjacent sequences:  A026288 A026289 A026290 * A026292 A026293 A026294

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 16 03:14 EST 2019. Contains 319184 sequences. (Running on oeis4.)