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 A194531 #11 Aug 03 2014 16:52:44
%S A194531 0,1,1,2,5,5,7,28,3,15,55,22,13,91,35,40,34,51,57,190,35,77,253,92,25,
%T A194531 325,117,126,203,145,155,496,44,187,595,210,111,703,247,260,205,287,
%U A194531 301,946,165,345,1081,376,98,1225,425
%N A194531 Numerator of row 4 in A051714(n) or row 3 in A176672(n).
%C A194531 Akiyama-Tanigawa algorithm from 1/n leads to Bernoulli A164555(n)/A027642(n):
%C A194531 1, 1/2, 1/3, 1/4,
%C A194531 1/2, 1/3, 1/4, 1/5,
%C A194531 1/6, 1/6, 3/20, 2/15, =A026741(n+1)/A045896(n+1),
%C A194531 0, 1/30, 1/20, 2/35, 5/84, 5/84, 7/120, 28/495 =a(n)/b(n).
%t A194531 a[0, k_] := 1/(k+1); a[n_, k_] := a[n, k] = (k+1)*(a[n-1, k] - a[n-1, k+1]); Table[a[3, k], {k, 0, 50}] // Numerator (* _Jean-François Alcover_, Sep 19 2012 *)
%Y A194531 Cf. A193220 (denominators).
%K A194531 nonn,frac
%O A194531 0,4
%A A194531 _Paul Curtz_, Aug 28 2011