0,2

a(n) = Sum__{0..n} p#

a(3) = 39 = (1 + 2 + 6 + 30), where A002110 = (1, 2, 6, 30, 210, 2310,...).

Cf. A002110.

Sequence in context: A058105 A090012 A079096 this_sequence A101395 A133189 A020092

Adjacent sequences: A143290 A143291 A143292 this_sequence A143294 A143295 A143296

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 05 2008