cp's OEIS Frontend

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.

A262991 Number of squarefree numbers among the parts of the partitions of n into two parts.

Table of values

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

List of values

[0, 2, 2, 4, 3, 5, 5, 6, 6, 7, 7, 9, 8, 10, 10, 11, 11, 12, 12, 14, 13, 15, 15, 16, 16, 17, 17, 18, 17, 19, 19, 20, 20, 22, 22, 23, 23, 25, 25, 26, 26, 28, 28, 30, 29, 30, 30, 31, 31, 31, 31, 33, 32, 33, 33, 34, 34, 36, 36, 38, 37, 39, 39, 39, 39, 41, 41, 43]

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

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