OFFSET
1,1
EXAMPLE
a(3)=T(2)+T(3)+T(5)=3+6+15=24
MATHEMATICA
Accumulate[(#(#+1))/2&/@Prime[Range[50]]] (* Harvey P. Dale, Dec 01 2015 *)
PROG
(PARI) s=0; forprime(p=2, 300, s+=t(p); print1(s", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Jon Perry, Jul 21 2003
EXTENSIONS
Corrected by T. D. Noe, Oct 25 2006
STATUS
approved