1,2

A007504 Sum of first n primes.

a(n)=A007504(n)-n(n+1)/2

Table[Total[Take[Table[Prime[n]-n, {n, 1, 20}], i]], {i, 20}]

Cf. A007504.

Adjacent sequences: A112994 A112995 A112996 this_sequence A112998 A112999 A113000

Sequence in context: A002466 A109853 A127977 this_sequence A037032 A090752 A051058

nonn

Zak Seidov (zakseidov(AT)yahoo.com), Jan 03 2006