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 A235156 #12 Oct 29 2014 12:20:57 %S A235156 1039,1049,1063,1069,1087,1093,1097,1237,1249,1259,1279,1283,1289, %T A235156 1297,1307,1327,1367,1409,1423,1427,1429,1439,1453,1459,1483,1487, %U A235156 1489,1493,1523,1543,1549,1567,1579,1583,1597,1607,1609,1627,1637,1657,1693,1697,1709 %N A235156 Primes which have one or more occurrences of exactly four different digits. %C A235156 The first term having a repeated digit is 10037. %H A235156 Colin Barker, <a href="/A235156/b235156.txt">Table of n, a(n) for n = 1..1000</a> %o A235156 (PARI) s=[]; forprime(n=1000, 2000, if(#vecsort(eval(Vec(Str(n))),,8)==4, s=concat(s, n))); s %Y A235156 Cf. A235154, A235155, A235157-A235161. %Y A235156 Cf. A074673. %K A235156 nonn,base %O A235156 1,1 %A A235156 _Colin Barker_, Jan 04 2014