A076715 Duplicate of A029549.

0, 6, 210, 7140, 242556, 8239770, 279909630, 9508687656, 323015470680

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