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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.

A347740 Number of compositions (ordered partitions) of n into at most 3 prime parts.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 1
5 3
6 2
7 6
8 5
9 6
10 9
11 7
12 11
13 9
14 9
15 12
16 13
17 13
18 16
19 15
20 16
21 21
22 17
23 22
24 21
25 23
26 23
27 30
28 19
29 31
30 18
31 33
32 22
33 39
34 19
35 39
36 29
37 43
38 27
39 48
40 15
41 52
42 26
43 51
44 30
45 56
46 25
47 67
48 31
49 62
50 38
51 67
52 30
53 82
54 28
55 77
56 36
57 79
58 25
59 88
60 33
61 90
62 41
63 95
64 25
65 105
66 42
67 106
68 40
69 99
70 22

List of values

[1, 0, 1, 1, 1, 3, 2, 6, 5, 6, 9, 7, 11, 9, 9, 12, 13, 13, 16, 15, 16, 21, 17, 22, 21, 23, 23, 30, 19, 31, 18, 33, 22, 39, 19, 39, 29, 43, 27, 48, 15, 52, 26, 51, 30, 56, 25, 67, 31, 62, 38, 67, 30, 82, 28, 77, 36, 79, 25, 88, 33, 90, 41, 95, 25, 105, 42, 106, 40, 99, 22]

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

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