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 A120209 #9 May 03 2024 03:31:58
%S A120209 8,9,10,11,13,14,16,17,19,21,24,26,29,32,36,40,44,49,55,61,68,75,84,
%T A120209 93,103,115,127,142,157,175,194,216,240,266,296,329,365,406,451,501,
%U A120209 557,619,688,764,849,943,1048,1164,1294,1438,1597,1775,1972,2191,2435,2705,3006,3340,3711
%N A120209 a(1)=8; a(n)=floor((79+sum(a(1) to a(n-1)))/9).
%t A120209 nxt[{t_,a_}]:=Module[{c=Floor[(79+t)/9]},{t+c,c}]; NestList[nxt,{8,8},60][[;;,2]] (* _Harvey P. Dale_, May 03 2024 *)
%Y A120209 Cf. A073941, A112088, A072493.
%K A120209 nonn
%O A120209 1,1
%A A120209 _Graeme McRae_, Jun 10 2006
%E A120209 More terms from _Alonso del Arte_, Dec 25 2013