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.

A135208 a(n) = Sum_digits{C(n,Sum_digits[a(n-1)])}, with a(0)=1.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 1
11 2
12 12
13 16
14 12
15 14
16 21
17 14
18 27
19 29
20 29
21 24
22 21
23 16
24 18
25 29
26 29
27 36
28 30
29 18
30 21
31 22
32 23
33 24
34 25
35 26
36 18
37 22
38 24
39 24
40 33
41 42
42 37
43 46
44 50
45 27
46 23
47 33
48 21
49 19
50 37
51 48
52 52
53 26
54 36
55 33
56 36
57 60
58 36
59 42
60 28
61 42
62 37
63 36
64 43
65 42
66 51
67 60
68 33
69 46
70 49
71 64
72 45

List of values

[1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 12, 16, 12, 14, 21, 14, 27, 29, 29, 24, 21, 16, 18, 29, 29, 36, 30, 18, 21, 22, 23, 24, 25, 26, 18, 22, 24, 24, 33, 42, 37, 46, 50, 27, 23, 33, 21, 19, 37, 48, 52, 26, 36, 33, 36, 60, 36, 42, 28, 42, 37, 36, 43, 42, 51, 60, 33, 46, 49, 64, 45]