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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.

A228720 Number of partitions in the first n compositions of j, according with the ordering of A228525, if 1<=n<=2^(j-1).

Table of values

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

List of values

[1, 2, 2, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15]

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

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