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 A052086 #16 Oct 20 2019 08:59:01 %S A052086 101,131,151,181,191,313,353,373,383,727,757,787,797,919,929,1013, %T A052086 1019,1021,1031,1051,1061,1091,1151,1171,1181,1201,1213,1217,1231, %U A052086 1291,1301,1303,1319,1321,1361,1373,1381,1451,1471,1481,1511,1531,1571,1601,1613 %N A052086 Primes with at least one of the decimal digits occurring separated. %C A052086 The first 15 terms are palindromic. %e A052086 1471 is a term since the two digits 1 are separated by the substring 47. %e A052086 Prime 277 is not a term since the only repeated digits (77) are grouped. %Y A052086 Cf. A052085, A052081, A052082, A052083, A052084. %K A052086 nonn,base %O A052086 1,1 %A A052086 _Patrick De Geest_, Jan 15 2000 %E A052086 Offset changed to 1 by _Jon E. Schoenfield_, Oct 17 2019