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 A144120 #3 Nov 30 2013 21:30:31 %S A144120 0,1,1,2,3,6,7,12,16,25,32,48,61,88,113,154,198,267,337,446,563,730, %T A144120 915,1174,1460,1853,2294,2878,3545,4416,5404,6679,8144,9991,12125, %U A144120 14791,17866,21677,26084,31478,37733,45340 %N A144120 Number of prime parts in the last section of the set of partitions of n. %C A144120 First differences of A037032. %F A144120 a(n) = A037032(n)-A037032(n-1). %Y A144120 Cf. A037032, A135010, A138121, A138137, A144117, A144118, A144121. %K A144120 easy,nonn %O A144120 1,4 %A A144120 _Omar E. Pol_, Sep 11 2008