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 A178097 #2 Mar 30 2012 18:40:52
%S A178097 1,3,6,13,21,73,126,414,1623,6870,12118,83513,154909,530688,7488221,
%T A178097 59799083,112109946,1264732499,2417355053,47993257518,1344401112069,
%U A178097 2924929100020,4505457087972,77750773769171,662158294591369
%N A178097 Partial sums of A038034.
%C A178097 Partial sums of number of ordered partitions of 1 into {1, 1/2, 1/3, ..., 1/n}. The subsequence of primes in the partial sum begins: 3, 13, 73, 59799083, 2417355053.
%F A178097 a(n) = SUM[i=1..n] A038034(i) = SUM[i=1..n] SUM[j=1..i] A092667(j).
%e A178097 a(19) = 1 + 2 + 3 + 7 + 8 + 52 + 53 + 288 + 1209 + 5247 + 5248 + 71395 + 71396 + 375779 + 6957533 + 52310862 + 52310863 + 1152622553 + 1152622554.
%Y A178097 Cf. A038034, A092667.
%K A178097 easy,nonn
%O A178097 1,2
%A A178097 _Jonathan Vos Post_, May 20 2010