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 A055387 #42 Oct 27 2023 22:00:46 %S A055387 2,3,5,7,13,17,31,37,71,73,79,97,101,103,107,109,113,127,131,137,139, %T A055387 149,157,163,167,173,179,181,191,193,197,199,239,241,251,271,277,281, %U A055387 283,293,307,311,313,317,331,337,347,349,359,367,373,379,389,397,401,419,421 %N A055387 2, 3, 5, 7, together with primes such that there is a nontrivial rearrangement of the digits which is a prime. %C A055387 Union of {2, 3, 5, 7} and A225035. %Y A055387 Cf. A004022, A007933, A007935, A052902, A116692, A225035, A359136-A359139. %K A055387 base,nonn %O A055387 1,1 %A A055387 _Asher Auel_, May 05 2000 %E A055387 Edited by _N. J. A. Sloane_, Jan 22 2023