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 A101254 #8 Jan 03 2013 12:39:31
%S A101254 2,31,98,277,1218,5297,25686,90953,315516,1294379,7743358,54991121,
%T A101254 364542120,2515329959,16440340258
%N A101254 a(n) = sum[i=1,n](i-th prime of Erdős-Selfridge classification i-). Cumulative sums of A101231.
%C A101254 The cumulative sums of the diagonalization of the set of sequences {j-th prime of Erdős-Selfridge classification k+}. The diagonalization itself is in A101231.
%Y A101254 Cf. A101231.
%K A101254 nonn,more
%O A101254 1,1
%A A101254 _Jonathan Vos Post_, Dec 16 2004
%E A101254 More terms from _David Wasserman_, Mar 26 2008