cp's OEIS Frontend

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.

A253893 a(1) = 0, for n > 1, a(n) = 1 + a(A253889(n)).

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 2
6 2
7 3
8 2
9 3
10 4
11 3
12 4
13 3
14 3
15 4
16 4
17 3
18 3
19 4
20 4
21 5
22 5
23 3
24 5
25 4
26 4
27 5
28 4
29 5
30 5
31 5
32 4
33 5
34 5
35 5
36 6
37 6
38 4
39 5
40 6
41 4
42 6
43 5
44 5
45 6
46 5
47 5
48 5
49 6
50 4
51 6
52 6
53 4
54 6
55 6
56 5
57 6
58 5
59 5
60 6
61 5
62 6
63 4
64 6
65 6
66 6
67 6
68 4
69 7
70 7
71 6
72 6
73 6
74 5
75 7
76 7
77 5
78 6
79 7
80 6
81 6
82 7
83 5
84 7
85 6
86 6
87 7
88 5
89 6
90 7
91 7
92 6
93 6
94 6
95 5
96 7
97 7
98 6
99 7
100 7
101 6
102 6
103 6
104 6
105 6
106 7
107 7
108 6
109 7
110 7
111 7
112 7
113 5
114 7
115 7
116 6
117 7
118 7
119 7
120 7
121 7
122 5

List of values

[0, 1, 1, 2, 2, 2, 3, 2, 3, 4, 3, 4, 3, 3, 4, 4, 3, 3, 4, 4, 5, 5, 3, 5, 4, 4, 5, 4, 5, 5, 5, 4, 5, 5, 5, 6, 6, 4, 5, 6, 4, 6, 5, 5, 6, 5, 5, 5, 6, 4, 6, 6, 4, 6, 6, 5, 6, 5, 5, 6, 5, 6, 4, 6, 6, 6, 6, 4, 7, 7, 6, 6, 6, 5, 7, 7, 5, 6, 7, 6, 6, 7, 5, 7, 6, 6, 7, 5, 6, 7, 7, 6, 6, 6, 5, 7, 7, 6, 7, 7, 6, 6, 6, 6, 6, 7, 7, 6, 7, 7, 7, 7, 5, 7, 7, 6, 7, 7, 7, 7, 7, 5]

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