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 A109775 #5 Jul 16 2017 07:33:01 %S A109775 13,17,19,1013,1019,1021,1213,1217,1319,1321,1613,1619,1621,1721,1913, %T A109775 2113,2213,101419,101513,101531,101719,101917,102217,102929,121013, %U A109775 121019,121531,121631,121931,131519,131617,132929,141319 %N A109775 Primes in A059504. %C A109775 Primes which give an incomplete description of themselves. %e A109775 "1019" does indeed contain one 0 and one 9. %K A109775 nonn,base %O A109775 1,1 %A A109775 _Jud McCranie_, Aug 15 2005