A163583 Partial sums of A001378.

1, 4372, 100627, 1240001, 10698751, 20249386, 83781871, 431424985, 787479360, 2194606250, 5409349991, 9630730661, 13906093181, 18529006931, 27816044405, 40317825620, 53826243764, 81242430639, 157086570010, 237512970010

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Crossrefs

Cf. A001378.

Sequence in context: A001378 A028511 A101558 * A203403 A206148 A230523

Adjacent sequences: A163580 A163581 A163582 * A163584 A163585 A163586

Keyword

fini,nonn

Author

Jonathan Vos Post, Jul 31 2009

Status

approved