%I #8 Mar 31 2012 10:32:39
%S 53,431,233,347,743,1471,1741,7411,1571,5171,5711,7151,1367,1637,3167,
%T 3617,3671,3761,6173,6317,1249,1429,4129,4219,9241,9421,1237,1327,
%U 1723,2137,2371,2713,2731,3217,3271,7213,7321,5399,5939,9539
%N Run through primes p; if the digits of p*q (where q is the prime following p) can be rearranged to form one or more primes r, append these primes r to the sequence.
%C Leading zeros are not allowed in the rearranged number.
%D C. A. Pickover, "Vampire numbers," chapter 30 of Keys to Infinity. NY: Wiley, 1995. Pages 227-231
%e 7*11=77, but no prime rearrangements are possible; 11*13 is 143, whose digits can be rearranged to 431, a prime.
%Y A053652 gives the entries sorted and with duplicates removed. Cf. A014575, A053652.
%K easy,nonn,base
%O 1,1
%A _Enoch Haga_, Feb 13 2000
%E Corrected and extended by _Jens Kruse Andersen_, Dec 01 2006