1,2

A007504 Sum of first n primes.

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

a(n)=sum{k;1;n}A014689(n) = partial sums of A014689 - Philippe Lallouet (philip.lallouet(AT)orange.fr), Aug 27 2008

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

Cf. A007504.

Sequence in context: A164901 A109853 A127977 this_sequence A037032 A165753 A090752

Adjacent sequences: A112994 A112995 A112996 this_sequence A112998 A112999 A113000

nonn

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