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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.

A347777 Number of compositions (ordered partitions) of n into at most 2 squarefree parts.

Table of values

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

List of values

[1, 1, 2, 3, 3, 3, 4, 5, 6, 4, 4, 5, 7, 7, 6, 7, 10, 9, 8, 7, 11, 9, 10, 9, 14, 10, 10, 10, 13, 11, 10, 11, 16, 13, 14, 13, 22, 15, 14, 15, 22, 17, 16, 19, 25, 20, 16, 17, 26, 20, 16, 15, 27, 21, 20, 15, 26, 21, 22, 19, 29, 23, 22, 22, 30, 23, 22, 23, 35, 25, 26]

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

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