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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.

A032020 Number of compositions (ordered partitions) of n into distinct parts.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 3
5 5
6 11
7 13
8 19
9 27
10 57
11 65
12 101
13 133
14 193
15 351
16 435
17 617
18 851
19 1177
20 1555
21 2751
22 3297
23 4757
24 6293
25 8761
26 11305
27 15603
28 24315
29 30461
30 41867
31 55741
32 74875
33 98043
34 130809
35 168425
36 257405
37 315973
38 431065
39 558327
40 751491
41 958265
42 1277867
43 1621273

List of values

[1, 1, 1, 3, 3, 5, 11, 13, 19, 27, 57, 65, 101, 133, 193, 351, 435, 617, 851, 1177, 1555, 2751, 3297, 4757, 6293, 8761, 11305, 15603, 24315, 30461, 41867, 55741, 74875, 98043, 130809, 168425, 257405, 315973, 431065, 558327, 751491, 958265, 1277867, 1621273]

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

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