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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.

A106026 A fractal transform of Pell numbers : a(1)=1 then if b(n) a(k)=b(n+1)-a(k-b(n)) where b(n)=A000129(n).

Table of values

n a(n)
1 1
2 1
3 4
4 4
5 1
6 11
7 11
8 8
9 8
10 11
11 1
12 1
13 28
14 28
15 25
16 25
17 28
18 18
19 18
20 21
21 21
22 18
23 28
24 28
25 1
26 1
27 4
28 4
29 1
30 69
31 69
32 66
33 66
34 69
35 59
36 59
37 62
38 62
39 59
40 69
41 69
42 42
43 42
44 45
45 45
46 42
47 52
48 52
49 49
50 49
51 52
52 42
53 42
54 69
55 69
56 66
57 66
58 69
59 1
60 1
61 4
62 4
63 1
64 11
65 11
66 8
67 8
68 11
69 1
70 1
71 168
72 168
73 165
74 165
75 168
76 158

List of values

[1, 1, 4, 4, 1, 11, 11, 8, 8, 11, 1, 1, 28, 28, 25, 25, 28, 18, 18, 21, 21, 18, 28, 28, 1, 1, 4, 4, 1, 69, 69, 66, 66, 69, 59, 59, 62, 62, 59, 69, 69, 42, 42, 45, 45, 42, 52, 52, 49, 49, 52, 42, 42, 69, 69, 66, 66, 69, 1, 1, 4, 4, 1, 11, 11, 8, 8, 11, 1, 1, 168, 168, 165, 165, 168, 158]

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