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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.

A319318 Number of integer partitions of n such that every distinct submultiset has a different GCD.

Table of values

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

List of values

[1, 1, 1, 1, 2, 1, 3, 2, 3, 3, 5, 2, 6, 5, 5, 5, 8, 5, 9, 6, 8, 9, 11, 6, 11, 11, 11, 10, 14, 9, 16, 12, 14, 15, 15, 11, 19, 17, 17, 14, 22, 15, 22, 18, 18, 21, 25, 16, 24, 21, 23, 22, 28, 21, 26, 22, 26, 27, 32, 20, 35, 30, 27, 27, 31, 27, 38, 30, 33, 29]

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

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