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A076715 Duplicate of A029549. 0
0, 6, 210, 7140, 242556, 8239770, 279909630, 9508687656, 323015470680 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

FORMULA

a(n) = Binomial(A046090(n), 2). - Mitch Harris, Apr 19 2007

CROSSREFS

Sequence in context: A084694 A285149 A065945 * A029549 A183252 A183287

Adjacent sequences:  A076712 A076713 A076714 * A076716 A076717 A076718

KEYWORD

dead

STATUS

approved

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Last modified January 28 07:25 EST 2022. Contains 350654 sequences. (Running on oeis4.)