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 A228298 #12 Aug 20 2013 14:29:46
%S A228298 1,2,3,4,5,6,7,7,8,9,10,11,12,13,14,14,15,16,17,18,19,20,21,21,22,23,
%T A228298 24,25,26,27,28,28,29,30,31,32,33,34,35,35,36,37,38,39,40,41,42,42,43,
%U A228298 44,45,46,47,48,49,49,49,50,51,52,53,54,55,56,56
%N A228298 Generalized meta-Fibonacci sequence a(n) with parameters s=0 and k=7.
%C A228298 It appears than a(n) = A020646(n)/7 for n>0 (verified up to n=700).
%H A228298 C. Deugau and F. Ruskey, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL12/Ruskey/ruskey6.pdf">Complete k-ary Trees and Generalized Meta-Fibonacci Sequences</a>, J. Integer Seq., Vol. 12.
%o A228298 (PARI) a(n)= {local(A); if(n<=7, max(0, n), A=vector(n, i, i); for(k=8, n, A[k]= A[k-A[k-1]] + A[k-1-A[k-2]] + A[k-2-A[k-3]] + A[k-3-A[k-4]] + A[k-4-A[k-5]] + A[k-5-A[k-6]] + A[k-6-A[k-7]];); A[n];);}
%Y A228298 Cf. A120503, A120507, A228297.
%K A228298 nonn
%O A228298 1,2
%A A228298 _Michel Marcus_, Aug 20 2013