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.

A212864 Number of nondecreasing sequences of n 1..4 integers with no element dividing the sequence sum.

Table of values

n a(n)
1 0
2 2
3 3
4 5
5 6
6 9
7 12
8 15
9 17
10 22
11 26
12 30
13 34
14 40
15 45
16 51
17 56
18 63
19 70
20 77
21 83
22 92
23 100
24 108
25 116
26 126
27 135
28 145
29 154
30 165
31 176
32 187
33 197
34 210
35 222
36 234
37 246
38 260
39 273
40 287
41 300
42 315
43 330
44 345
45 359
46 376
47 392
48 408
49 424
50 442
51 459
52 477
53 494
54 513
55 532
56 551
57 569
58 590
59 610
60 630
61 650

List of values

[0, 2, 3, 5, 6, 9, 12, 15, 17, 22, 26, 30, 34, 40, 45, 51, 56, 63, 70, 77, 83, 92, 100, 108, 116, 126, 135, 145, 154, 165, 176, 187, 197, 210, 222, 234, 246, 260, 273, 287, 300, 315, 330, 345, 359, 376, 392, 408, 424, 442, 459, 477, 494, 513, 532, 551, 569, 590, 610, 630, 650]

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

Content is available under The OEIS End-User License Agreement.