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A025132 a(n) = (1/2)*(3rd elementary symmetric function of C(n,0), C(n,1), ..., C(n,n)). 0
1, 12, 119, 1090, 9592, 82432, 697615, 5841606, 48541826, 401049352, 3298721384, 27037279984, 220976019552, 1801829443072, 14663530220175, 119138596786414, 966631388383438, 7833369734693512 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..19.

CROSSREFS

Sequence in context: A105218 A180777 A163950 * A001712 A285232 A077251

Adjacent sequences: A025129 A025130 A025131 * A025133 A025134 A025135

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 27 03:13 EST 2023. Contains 359836 sequences. (Running on oeis4.)