%I #6 Mar 30 2012 17:33:54
%S 471,3570,28674,28743,13077233344
%N Indices among the primes of the primes in A054356, The Five Hysterical Girls Theorem.
%C Subset of A138126.
%C Note that all members, in base 10, contain the digit 7 and do not contains the digit 9.
%C All members of A054356 (The Five Hysterical Girls Theorem) are prime numbers.
%e A000040(471) ....... = 3343
%e A000040(3570) ...... = 33343
%e A000040(28674) ..... = 333433
%e A000040(28743) ..... = 334333
%e A000040(13077233344) = 333333433343
%Y Cf. A000040, A020461, A054356, A138126.
%K easy,nonn,less
%O 1,1
%A _Omar E. Pol_, Mar 25 2008