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 A120204 #10 Jul 19 2024 08:31:25
%S A120204 3,3,3,4,4,5,5,6,6,7,8,9,10,11,12,13,15,17,18,20,23,25,28,31,35,38,43,
%T A120204 47,53,59,65,72,80,89,99,110,122,136,151,168,186,207,230,256,284,316,
%U A120204 351,390,433,481,535,594,660,733,815,905,1006,1118,1242,1380,1533
%N A120204 a(1) = 3; a(n) = floor((29 + Sum_{i=1..n-1} a(i))/9).
%H A120204 Stefano Spezia, <a href="/A120204/b120204.txt">Table of n, a(n) for n = 1..1000</a>
%t A120204 a[1]:=3; a[n_]:=a[n]=Floor[(29+Sum[a[i],{i,n-1}])/9]; Array[a,61] (* _Stefano Spezia_, Jul 19 2024 *)
%Y A120204 Cf. A073941, A112088, A072493.
%K A120204 nonn
%O A120204 1,1
%A A120204 _Graeme McRae_, Jun 10 2006
%E A120204 a(41)-a(61) from _Stefano Spezia_, Jul 19 2024