%I A077126
%S A077126 3,10,23,42,71,108,151,204,265,336,415,504,605,712,825,956,1095,1246,
%T A077126 1409,1582,1763,1956,2155,2378,2607,2846,3097,3360,3631,3912,4205,4516,
%U A077126 4833,5170,5519,5878,6251,6634,7031,7440,7861,8294,8737,9194,9657
%N A077126 Sum of even indexed primes.
%e A077126 a(2)=10 as p_1=2, p_2=3, p_3=5 and p_4=7, therefore a(2)=p_2+p_4=10
%o A077126 (PARI) pc=1; ps=0; forprime (p=2,500,pc=3-pc; if (pc==1,ps=ps+p; print1(ps",
               ")))
%Y A077126 Sequence in context: A027164 A166119 A041403 this_sequence A068043 A145069 
               A080204
%Y A077126 Adjacent sequences: A077123 A077124 A077125 this_sequence A077127 A077128 
               A077129
%K A077126 nonn
%O A077126 1,1
%A A077126 Jon Perry (perry(AT)globalnet.co.uk), Nov 29 2002