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A026629 T(2n,n-2), T given by A026626. 0
1, 9, 40, 171, 703, 2839, 11346, 45066, 178330, 704038, 2775590, 10933363, 43048403, 169463371, 667090762, 2626243774, 10340952238, 40727191246, 160443432712, 632240809054, 2492136145078, 9826353817510, 38756552628820 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..24.

CROSSREFS

Sequence in context: A219511 A027137 A264106 * A243718 A086349 A026651

Adjacent sequences:  A026626 A026627 A026628 * A026630 A026631 A026632

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 20 03:32 EDT 2019. Contains 327209 sequences. (Running on oeis4.)