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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.

A358636 Number of partitions of n into at most 3 distinct prime powers (including 1).

Table of values

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

List of values

[1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 6, 7, 9, 9, 10, 9, 12, 11, 12, 12, 15, 14, 15, 14, 17, 16, 17, 17, 21, 19, 21, 20, 25, 22, 25, 24, 28, 27, 27, 26, 29, 29, 28, 31, 32, 30, 31, 32, 33, 35, 34, 34, 37, 37, 34, 37, 38, 39, 37, 41, 37, 44, 38, 40, 41, 44, 38, 47, 43, 46, 43, 50]

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

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