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A026077 a(n) = T(2n,n+1), where T is the array defined in A024996. 0
1, 6, 40, 232, 1352, 7854, 45683, 266214, 1554684, 9098740, 53357985, 313495934, 1845063496, 10876094870, 64203285600, 379498497900, 2245861126596, 13305537121404, 78907795361228, 468393492593496 (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: A059021 A229580 A254945 * A065113 A052518 A135032

Adjacent sequences:  A026074 A026075 A026076 * A026078 A026079 A026080

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 18 20:21 EDT 2019. Contains 328197 sequences. (Running on oeis4.)