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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.

A262868 Number of squarefree numbers appearing among the larger parts of the partitions of n into two parts.

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 1
6 2
7 2
8 3
9 3
10 3
11 3
12 4
13 3
14 4
15 4
16 5
17 5
18 6
19 6
20 7
21 6
22 7
23 7
24 8
25 8
26 8
27 8
28 8
29 7
30 8
31 8
32 9
33 9
34 10
35 10
36 11
37 11
38 12
39 12
40 13
41 13
42 14
43 14
44 15
45 14
46 14
47 14
48 15
49 15
50 15
51 15
52 16
53 15
54 16
55 16
56 17
57 17
58 18
59 18
60 19
61 18
62 19
63 19
64 19
65 19
66 20
67 20
68 21
69 20
70 21
71 21
72 22
73 22

List of values

[0, 1, 1, 2, 1, 2, 2, 3, 3, 3, 3, 4, 3, 4, 4, 5, 5, 6, 6, 7, 6, 7, 7, 8, 8, 8, 8, 8, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 14, 14, 14, 15, 15, 15, 15, 16, 15, 16, 16, 17, 17, 18, 18, 19, 18, 19, 19, 19, 19, 20, 20, 21, 20, 21, 21, 22, 22]

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

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