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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.

A195113 Fractalization of the fractal sequence obtained by deleting the second two terms of the fractal sequence A002260.

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%I A195113 #9 Jul 24 2014 11:23:40
%S A195113 1,2,1,2,3,1,2,3,4,1,5,2,3,4,1,5,6,2,3,4,1,5,6,7,2,3,4,1,5,6,7,8,2,3,
%T A195113 4,1,9,5,6,7,8,2,3,4,1,9,10,5,6,7,8,2,3,4,1,9,10,11,5,6,7,8,2,3,4,1,9,
%U A195113 10,11,12,5,6,7,8,2,3,4,1,9,10,11,12,13,5,6,7,8,2,3,4,1,14,9,10
%N A195113 Fractalization of the fractal sequence obtained by deleting the second two terms of the fractal sequence A002260.
%C A195113 See A194959 for a discussion of fractalization and the interspersion fractally induced by a sequence p; for the present case, p is the concatenation of the segments 1, 123,1234,12345,123456,..., so that p is obtained from A002260 by deleting the segment 12.
%t A195113 j[n_] := Table[k, {k, 1, n}];
%t A195113 t[1] = j[1]; t[2] = j[1];
%t A195113 t[n_] := Join[t[n - 1], j[n]] (* A002260; initial 1,1,2 repl by 1 *)
%t A195113 t[12]
%t A195113 p[n_] := t[20][[n]]
%t A195113 g[1] = {1}; g[n_] := Insert[g[n - 1], n, p[n]]
%t A195113 f[1] = g[1]; f[n_] := Join[f[n - 1], g[n]]
%t A195113 f[20]  (* A195113 *)
%t A195113 row[n_] := Position[f[30], n];
%t A195113 u = TableForm[Table[row[n], {n, 1, 5}]]
%t A195113 v[n_, k_] := Part[row[n], k];
%t A195113 w = Flatten[Table[v[k, n - k + 1], {n, 1, 13},
%t A195113 {k, 1, n}]] (* A195114 *)
%t A195113 q[n_] := Position[w, n]; Flatten[Table[q[n],
%t A195113 {n, 1, 80}]]  (* A195115 *)
%Y A195113 Cf. A194959, A002260, A195114, A195115.
%K A195113 nonn
%O A195113 1,2
%A A195113 _Clark Kimberling_, Sep 09 2011