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 A152484 #2 Mar 30 2012 17:35:01 %S A152484 1,3,5,7,9,11,17,33 %N A152484 Odd numbers which are not the sum of an even semiprime and an odd semiprime. %C A152484 No more terms < 10^9. Conjectured to be complete. %e A152484 33 is in this sequence because no even semiprime and odd semiprime sum to 33. 35 is not in this sequence because the sum of 10 (even semiprime) and 25 (odd semiprime) is 35. %Y A152484 Cf. A001358, A046315, A100484, A152482, A152483. %K A152484 fini,nonn %O A152484 1,2 %A A152484 _Donovan Johnson_, Dec 06 2008