This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A053652 #9 Mar 31 2012 10:32:39 %S A053652 53,233,347,431,743,1237,1249,1327,1367,1429,1471,1571,1583,1637,1723, %T A053652 1741,2137,2371,2713,2731,3167,3217,3271,3581,3617,3671,3761,3851, %U A053652 3863,3877,4129,4219,5171,5381,5399,5477,5657,5711,5813,5939 %N A053652 Primes for which some rearrangement of the digits (leading zeros not allowed) is the product of two consecutive primes. %C A053652 Primes from A053736 sorted in numerical order. %D A053652 C. A. Pickover, "Vampire numbers," chapter 30 of Keys to Infinity. NY: Wiley, 1995. Pages 227-231 %e A053652 a(3)=347, a(5)=743. These terms are derived from 19*23=437. By arranging digits of 437, two primes are formed: 347 and 743. %Y A053652 Cf. A053736, A053653, A014575. %K A053652 easy,nonn,base %O A053652 1,1 %A A053652 _Enoch Haga_, Feb 18 2000 %E A053652 Edited by _Jens Kruse Andersen_, Dec 01 2006