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 A133372 #4 Mar 30 2012 18:40:44 %S A133372 10,15,25,33,39,51,58,69,77,82,85,91,93,94,95,106,115,118,122,123,133, %T A133372 134,142,143,146,155,158,159,161,166,177,178,185,187,201,205,209,213, %U A133372 215,217,219,221,226,235,237,249,253,254,262,267,274,278,291,295,298 %N A133372 Semiprimes expressible as the sum of (at least two) consecutive semiprimes in at least 1 way. %C A133372 This is to A067377 as A001358 is to A000040. %F A133372 A001358 INTERSECTION A135363. %e A133372 a(1) = 10 = 4 + 6 = 2 * 5. %e A133372 a(2) = 15 = 6 + 9 = 3 * 5. %e A133372 a(3) = 25 = 6 + 9 + 10 = 5^2. %Y A133372 Cf. A001358, A067377, A135363. %K A133372 easy,nonn %O A133372 1,1 %A A133372 _Jonathan Vos Post_, Dec 21 2007 %E A133372 More terms from _R. J. Mathar_, Jan 13 2008