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 A075141 #3 Mar 30 2012 17:22:26
%S A075141 1,11,167,553,13655,100967,1160869,22885339,1015565041,2087559455,
%T A075141 113349261019,3358906732007,1141662738301,19755194336321,
%U A075141 1465720275945305,495933038673019,41736492051778129,3843447765945901
%N A075141 Numerator of the generalized harmonic number H(n,5,3).
%C A075141 The denominators are in A075142. See A075135 for more details.
%t A075141 a=5; b=3; maxN=20; s=0; Numerator[Table[s+=1/(a n + b), {n, 0, maxN-1}]]
%Y A075141 Cf. A075135, A075142.
%K A075141 easy,frac,nonn
%O A075141 1,2
%A A075141 _T. D. Noe_, Sep 04 2002