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 A235694 #7 Apr 29 2014 22:49:29 %S A235694 102347,102349,102369,102379,102385,102386,102387,102389,102394, %T A235694 102395,102398,102439,102457,102458,102463,102467,102469,102473, %U A235694 102478,102479,102493,102549,102569,102574,102589,102637,102639,102649,102658,102659,102683,102689 %N A235694 Semiprimes which have one or more occurrences of exactly six different digits. %o A235694 (PARI) %o A235694 list(lim)=my(v=List(), t); forprime(p=2, sqrt(lim), t=p; forprime(q=p, lim\t, listput(v, t*q))); vecsort(Vec(v)) \\ From A001358 %o A235694 b=list(103000); s=[]; for(n=1, #b, if(#vecsort(eval(Vec(Str(b[n]))),,8)==6, s=concat(s, b[n]))); s %Y A235694 Cf. A235690-A235693, A235695, A235696. %Y A235694 Cf. A235154-A235161. %K A235694 nonn,base %O A235694 1,1 %A A235694 _Colin Barker_, Jan 14 2014