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.

A072574 Triangle T(n,k) of number of compositions (ordered partitions) of n into exactly k distinct parts, 1<=k<=n.

Table of values

n a(n)
1 1
2 1
3 0
4 1
5 2
6 0
7 1
8 2
9 0
10 0
11 1
12 4
13 0
14 0
15 0
16 1
17 4
18 6
19 0
20 0
21 0
22 1
23 6
24 6
25 0
26 0
27 0
28 0
29 1
30 6
31 12
32 0
33 0
34 0
35 0
36 0
37 1
38 8
39 18
40 0
41 0
42 0
43 0
44 0
45 0
46 1
47 8
48 24
49 24
50 0
51 0
52 0
53 0
54 0
55 0
56 1
57 10
58 30
59 24
60 0
61 0
62 0
63 0
64 0
65 0
66 0
67 1
68 10
69 42
70 48
71 0
72 0
73 0
74 0
75 0
76 0
77 0
78 0
79 1
80 12
81 48
82 72
83 0
84 0
85 0
86 0
87 0
88 0
89 0
90 0
91 0
92 1
93 12
94 60
95 120
96 0

List of values

[1, 1, 0, 1, 2, 0, 1, 2, 0, 0, 1, 4, 0, 0, 0, 1, 4, 6, 0, 0, 0, 1, 6, 6, 0, 0, 0, 0, 1, 6, 12, 0, 0, 0, 0, 0, 1, 8, 18, 0, 0, 0, 0, 0, 0, 1, 8, 24, 24, 0, 0, 0, 0, 0, 0, 1, 10, 30, 24, 0, 0, 0, 0, 0, 0, 0, 1, 10, 42, 48, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 48, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 60, 120, 0]