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 A120186 #10 Feb 19 2019 11:48:25
%S A120186 1,1,1,1,1,1,1,1,2,2,2,2,3,3,4,4,5,5,6,7,8,9,10,12,14,16,18,20,23,27,
%T A120186 30,35,40,45,52,59,68,77,88,101,115,132,151,172,197,225,257,294,336,
%U A120186 384,439,501,573,655,748,855,977,1117,1277,1459,1667,1906,2178,2489,2845
%N A120186 a(n) = ceiling( Sum_{i=1..n-1} a(i)/7 ), a(1) = 1.
%t A120186 f[s_] := Append[s, Ceiling[Plus @@ s/7]]; Nest[f, {1}, 64] (* _Robert G. Wilson v_, Jul 07 2006 *)
%Y A120186 Cf. A112088, A072493, A011782, A073941, A072493, A120160, A120170, A120178, A120186, A120194, A120202.
%K A120186 nonn
%O A120186 1,9
%A A120186 _Graeme McRae_, Jun 10 2006
%E A120186 Edited and extended by _Robert G. Wilson v_, Jul 07 2006