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

1,2

FORMULA

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

CROSSREFS

Sequence in context: A001505 A084694 A065945 * A029549 A183252 A183287

Adjacent sequences:  A076712 A076713 A076714 * A076716 A076717 A076718

KEYWORD

dead

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Last modified February 15 16:39 EST 2012. Contains 205823 sequences.