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.

A033909 Number of Sort then Add steps needed to reach a sorted number, or -1 if never reach sorted number.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 1
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 0
19 0
20 1
21 1
22 0
23 0
24 0
25 0
26 0
27 0
28 0
29 0
30 1
31 1
32 1
33 0
34 0
35 0
36 0
37 0
38 0
39 0
40 1
41 1
42 1
43 1
44 0
45 0
46 0
47 0
48 0
49 0
50 1
51 1
52 1
53 1
54 1
55 0
56 0
57 0
58 0
59 0
60 1
61 1
62 1
63 1
64 3
65 2
66 0
67 0
68 0
69 0
70 1
71 1
72 1
73 3
74 2
75 2
76 2
77 0
78 0
79 0

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 3, 2, 0, 0, 0, 0, 1, 1, 1, 3, 2, 2, 2, 0, 0, 0]