%I #3 Nov 10 2007 03:00:00
%S 1,4,8,12,34,36,38,40,42,46,50,78,80,82,94,102,106,108,110,112,120,
%T 140,146,148,152,154,228,232,260,262,290,308,434,536,588,698,702,718,
%U 724,992,994,998,1036,1040,1042,1046,1062,1070,1150,1240,1496,1498,1500
%N Indices of primes appearing in A038562.
%e 19 is 8th prime, so a(3)=8.
%Y Cf. A038562.
%K easy,nonn
%O 1,2
%A Author's name lost.