0,2

The only prime in the sequence through a(50) is a(2) = 13.

a(n) = SUM[i=0..n] A001672(i). a(n) = SUM[i=0..n] floor(pi^i).

Cf. A001672.

Sequence in context: A113986 A042767 A045652 this_sequence A027123 A027125 A027127

Adjacent sequences: A117879 A117880 A117881 this_sequence A117883 A117884 A117885

easy,nonn

Jonathan Vos Post (jvospost3(AT)gmail.com), May 02 2006