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Indices of primes appearing in A038562.
1

%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.