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 A107076 #3 Mar 30 2012 17:26:15 %S A107076 9,15,33,35,39,51,55,57,77,91,93,95,111,119,133,155,159,177,339,355, %T A107076 371,393,395,511,519,537,553,573,579,591,597,755,791,917,933,939,951, %U A107076 955,959,973,993,995,1119,1137,1191,1337,1351,1379,1393,1555 %N A107076 Odd-digit semiprimes, divisors of which are odd-digit primes. %C A107076 Differs from A091296 in that A107076 doesn't contain terms 115=5*23,319=11*29,335=5*67,377=13*29, etc. %Y A107076 Cf. A000040, A001358, A076704, A091296, A030096. %K A107076 nonn,base %O A107076 1,1 %A A107076 _Zak Seidov_, May 10 2005