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A026161 a(n) = T(2n,n+1), where T is the array in A026148. 0
2, 10, 60, 343, 1967, 11308, 65259, 378010, 2197063, 12808546, 74873071, 438719043, 2576121325, 15155321640, 89309379504, 527093971974, 3115115536016, 18433166325980, 109198600599788, 647564817644547, 3843804160133055, 22835904897612060, 135776623595204700, 807896288987793486 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A029725 A246480 A303361 * A025188 A114620 A173613

Adjacent sequences:  A026158 A026159 A026160 * A026162 A026163 A026164

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Sep 18 2019

STATUS

approved

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Last modified October 30 06:31 EDT 2020. Contains 338077 sequences. (Running on oeis4.)