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.

A321999 Sum of digits of n minus the number of digits of n.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 -1
11 0
12 1
13 2
14 3
15 4
16 5
17 6
18 7
19 8
20 0
21 1
22 2
23 3
24 4
25 5
26 6
27 7
28 8
29 9
30 1
31 2
32 3
33 4
34 5
35 6
36 7
37 8
38 9
39 10
40 2
41 3
42 4
43 5
44 6
45 7
46 8
47 9
48 10
49 11
50 3
51 4
52 5
53 6
54 7
55 8
56 9
57 10
58 11
59 12
60 4
61 5
62 6
63 7
64 8
65 9
66 10
67 11
68 12
69 13
70 5
71 6
72 7
73 8
74 9
75 10
76 11
77 12
78 13
79 14
80 6
81 7
82 8
83 9
84 10
85 11
86 12
87 13
88 14
89 15
90 7

List of values

[0, 0, 1, 2, 3, 4, 5, 6, 7, 8, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7]