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.

A225673 Number of integers whose sum of substrings = n.

Table of values

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

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 9, 7, 7, 5, 5, 3, 3, 1, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 2, 3, 2, 3, 2, 3, 2, 3, 1, 2, 2, 3, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 3, 4, 4, 5, 4, 5, 4, 5, 3, 4, 3, 4, 4, 5, 5, 6, 5, 6, 5, 5, 4, 5, 4, 5, 5, 6, 6, 7, 6, 7, 5, 6]