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A026852 T(2n,n+3), T given by A026736. 1
1, 8, 45, 221, 1016, 4506, 19572, 83950, 357310, 1513513, 6392134, 26948764, 113500985, 477801129, 2011058681, 8464967333, 35637556603, 150075181365, 632191803847, 2664023530675, 11229995113561, 47355649431833, 199760722776165 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..25.

CROSSREFS

Sequence in context: A002696 A016208 A216540 * A317405 A110609 A201190

Adjacent sequences:  A026849 A026850 A026851 * A026853 A026854 A026855

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 18 15:44 EDT 2019. Contains 325144 sequences. (Running on oeis4.)