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A026295 a(n) = T(2n,n-1), where T is the array in A026268. 0
1, 3, 14, 72, 385, 2110, 11757, 66298, 377245, 2161771, 12458186, 72130114, 419239101, 2444741300, 14296415880, 83807317674, 492339686501, 2897788821746, 17084275066796, 100873614561368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Sequence in context: A191649 A009637 A098648 * A118650 A180187 A295104

Adjacent sequences:  A026292 A026293 A026294 * A026296 A026297 A026298

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 22 09:52 EST 2019. Contains 319363 sequences. (Running on oeis4.)