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 A057878 #11 Jul 11 2022 02:10:30 %S A057878 23,37,53,73,113,131,151,211,311,11111111111111111131, %T A057878 11111111111111117111,11111111111131111111,11111111131111111111, %U A057878 111111111111111111111113,111111111111111112111111,111111111111111121111111,111111111112111111111111,111111115111111111111111 %N A057878 Primes with 2 distinct digits that remain prime (no leading zeros allowed) after deleting all occurrences of its digits d. %C A057878 Digits 0, 4, 6, 8, and 9 can never occur; digits 2, 3, 5, 7 can occur at most once in a term; every other digit is a 1. - _Sean A. Irvine_, Jul 11 2022 %Y A057878 Cf. A057876-A057883, A004022, A004023, A051362, A034302-A034305. %K A057878 nonn,base %O A057878 1,1 %A A057878 _Patrick De Geest_, Oct 15 2000 %E A057878 More terms from _Sean A. Irvine_, Jul 11 2022