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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.

A347578 Number of partitions of n into at most 4 prime parts.

Table of values

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

List of values

[1, 0, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 8, 8, 9, 10, 9, 11, 11, 13, 11, 15, 12, 16, 15, 16, 15, 18, 16, 20, 17, 23, 18, 24, 20, 26, 22, 26, 23, 31, 23, 33, 26, 35, 26, 39, 27, 41, 32, 41, 31, 46, 31, 48, 34, 51, 34, 54, 36, 58, 40, 58, 42, 64, 41]

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

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