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.

A347788 Number of compositions (ordered partitions) of n into at most 2 nonprime parts.

Table of values

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

List of values

[1, 1, 1, 0, 1, 2, 1, 2, 2, 3, 5, 2, 4, 4, 5, 5, 8, 4, 8, 6, 8, 7, 11, 6, 12, 9, 13, 9, 14, 10, 16, 12, 14, 13, 19, 13, 22, 14, 17, 17, 22, 16, 24, 18, 22, 19, 25, 18, 28, 21, 28, 21, 28, 22, 32, 25, 30, 25, 33, 26, 38, 28, 31, 29, 38, 29, 42, 30, 34, 33, 42]

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

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