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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.

A249280 Repeatedly apply 'Reverse and add' to n. a(n) gives the number of steps needed to reach a sum containing each digit from 0 to 9 at least once.

Table of values

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

List of values

[38, 37, 35, 36, 54, 34, 45, 35, 48, 53, 52, 33, 51, 44, 32, 34, 50, 47, 43, 52, 33, 51, 44, 32, 34, 50, 47, 43, 42, 33, 51, 44, 32, 34, 50, 47, 43, 42, 31, 51, 44, 32, 34, 50, 47, 43, 42, 31, 41, 44, 32, 34, 50, 47, 43, 42, 31, 41, 33, 32, 34, 50, 47, 43, 42]

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