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 A111624 #4 Mar 30 2012 18:36:50
%S A111624 1,4,5,2,7,8,3,10,11,8,13,14,5,16,17,12,19,20,14,22,23,24,25,26,9,28,
%T A111624 29,10,31,32,33,34,35,24,37,38,26,40,41,14,43,44,15,46,47,16,49,50,51,
%U A111624 52,53,36,55,56,38,58,59,60,61,62,63,64,65,22,67,68,46,70,71,72,73,74,75
%N A111624 Second lower diagonal of A109626.
%t A111624 f[n_] := f[n] = Block[{a}, a[0] = 1; a[l_] := a[l] = Block[{k = 1, s = Sum[ a[i]*x^i, {i, 0, l - 1}]}, While[ IntegerQ[ Last[ CoefficientList[ Series[(s + k*x^l)^(1/n), {x, 0, l}], x]]] != True, k++ ]; k]; Table[a[j], {j, 0, 128}]]; g[n_, m_] := f[n][[m]]; Table[ g[n, n - 2], {n, 3, 75}]
%Y A111624 Cf. A109626.
%K A111624 nonn
%O A111624 3,2
%A A111624 _Paul D. Hanna_ and _Robert G. Wilson v_, Aug 01 2005