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A026111 a(n) = T(2n-1,n), where T is the array defined in A026105. 0
3, 16, 89, 496, 2795, 15884, 90909, 523312, 3026850, 17577660, 102425257, 598575368, 3506930635, 20591787300, 121145018325, 713948286528, 4214030403902, 24907512574608, 147403116947718 (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: A224869 A163604 A151329 * A026330 A146963 A074562

Adjacent sequences:  A026108 A026109 A026110 * A026112 A026113 A026114

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 11 02:27 EDT 2021. Contains 342886 sequences. (Running on oeis4.)