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.

A212537 Number of nondecreasing sequences of 4 1..n integers with every element dividing the sequence sum.

Table of values

n a(n)
1 1
2 3
3 5
4 10
5 12
6 17
7 18
8 23
9 26
10 30
11 31
12 40
13 41
14 43
15 47
16 52
17 53
18 59
19 60
20 67
21 70
22 72
23 73
24 82
25 84
26 86
27 89
28 94
29 95
30 103
31 104
32 109
33 111
34 113
35 115
36 125
37 126
38 128
39 130
40 137
41 138
42 144
43 145
44 150
45 155
46 157
47 158
48 167
49 168
50 172
51 174
52 179
53 180
54 186
55 188
56 193
57 195
58 197
59 198
60 210
61 211
62 213

List of values

[1, 3, 5, 10, 12, 17, 18, 23, 26, 30, 31, 40, 41, 43, 47, 52, 53, 59, 60, 67, 70, 72, 73, 82, 84, 86, 89, 94, 95, 103, 104, 109, 111, 113, 115, 125, 126, 128, 130, 137, 138, 144, 145, 150, 155, 157, 158, 167, 168, 172, 174, 179, 180, 186, 188, 193, 195, 197, 198, 210, 211, 213]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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