A087297 Add the next prime and multiply by the next prime.

1, 6, 27, 160, 1169, 12980, 168909, 2871742, 54563459, 1254960086, 36393843335, 1128209144346, 41743738342171, 1711493272030692, 73594210697321605, 3458927902774117644, 183323178847028237941, 10816067551974666042000

Offset

0,2

Links

Table of n, a(n) for n=0..17.

Formula

a(0)=1, a(n)=(a(n-1)+prime(n))*prime(n).

Crossrefs

Cf. A019460.

Sequence in context: A215704 A137968 A062512 * A117336 A202766 A144013

Adjacent sequences: A087294 A087295 A087296 * A087298 A087299 A087300

Keyword

easy,nonn

Author

Sebastian Gutierrez (sgutierr(AT)alum.mit.edu), Oct 26 2003

Extensions

More terms from Ray Chandler, Oct 26 2003

Status

approved