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A047034 T(n,n-2), array T as in A047030. 0
1, 1, 4, 18, 74, 295, 1157, 4519, 17620, 68667, 267614, 1043446, 4071222, 15897050, 62124041, 242971209, 951030540, 3725346595, 14603504405, 57286230209, 224869490582, 883247932875, 3471296870925, 13650352416587 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

Table of n, a(n) for n=2..25.

CROSSREFS

Sequence in context: A037497 A202358 A075675 * A266753 A307323 A218059

Adjacent sequences:  A047031 A047032 A047033 * A047035 A047036 A047037

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)