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 A246045 #12 Aug 26 2014 01:36:44 %S A246045 13,17,31,37,71,73,79,97,107,127,139,181,191,193,239,241,251,271,277, %T A246045 281,283,293,313,331,347,349,367,421,439,457,461,463,467,479,521,547, %U A246045 563,569,577,587,619,641,643,647,653,659,673,683,691,701,709,727,743,757,769,787,797,811,821,823,857,863,877,907,911,947,967 %N A246045 Biprimatic permutable primes: prime numbers whose digits can be rearranged to form exactly one other prime number. No leading zeros allowed. %C A246045 In base ten the numbers can be said to have a prime twin made up of the same digits. %H A246045 Andreas Boe, <a href="/A246045/b246045.txt">Table of n, a(n) for n = 1..828</a> %e A246045 709 -> 079 (forbidden), 097 (forbidden), 709 (prime), 790 (even), 907 (prime), 970 (even) -> conclusion: Two primes. %Y A246045 A245808: Monoprimatic permutable numbers %Y A246045 A246044: Monoprimatic permutable primes %Y A246045 A246043: Biprimatic permutable numbers %K A246045 nonn,base %O A246045 1,1 %A A246045 _Andreas Boe_, Aug 23 2014