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 A235696 #12 Sep 01 2014 16:32:59 %S A235696 10234569,10234657,10234685,10234687,10234769,10234795,10234859, %T A235696 10234865,10234879,10234957,10234967,10235469,10235479,10235489, %U A235696 10235497,10235679,10235689,10235769,10235789,10235798,10235846,10235847,10235879,10235894,10235947,10235986 %N A235696 Semiprimes which have one or more occurrences of exactly eight different digits. %H A235696 Harvey P. Dale, <a href="/A235696/b235696.txt">Table of n, a(n) for n = 1..1000</a> %t A235696 Select[Range[10234000,10236000],PrimeOmega[#]==Count[DigitCount[#],0]==2&] (* _Harvey P. Dale_, Sep 01 2014 *) %o A235696 (PARI) %o A235696 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 A235696 b=list(1030000); s=[]; for(n=1, #b, if(#vecsort(eval(Vec(Str(b[n]))),,8)==8, s=concat(s, b[n]))); s %Y A235696 Cf. A235690-A235695. %Y A235696 Cf. A235154-A235161. %K A235696 nonn,base %O A235696 1,1 %A A235696 _Colin Barker_, Jan 14 2014