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.

A238279 Triangle read by rows: T(n,k) is the number of compositions of n into nonzero parts with k parts directly followed by a different part, n>=0, 0<=k<=A004523(n-1).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 2
5 3
6 4
7 1
8 2
9 10
10 4
11 4
12 12
13 14
14 2
15 2
16 22
17 29
18 10
19 1
20 4
21 26
22 56
23 36
24 6
25 3
26 34
27 100
28 86
29 31
30 2
31 4
32 44
33 148
34 200
35 99
36 16
37 1
38 2
39 54
40 230
41 374
42 278
43 78
44 8
45 6
46 58
47 322
48 680
49 654
50 274
51 52
52 2
53 2
54 74
55 446
56 1122
57 1390
58 814
59 225
60 22
61 1
62 4
63 88
64 573
65 1796
66 2714
67 2058
68 813
69 136
70 10
71 4
72 88
73 778
74 2694
75 4927

List of values

[1, 1, 2, 2, 2, 3, 4, 1, 2, 10, 4, 4, 12, 14, 2, 2, 22, 29, 10, 1, 4, 26, 56, 36, 6, 3, 34, 100, 86, 31, 2, 4, 44, 148, 200, 99, 16, 1, 2, 54, 230, 374, 278, 78, 8, 6, 58, 322, 680, 654, 274, 52, 2, 2, 74, 446, 1122, 1390, 814, 225, 22, 1, 4, 88, 573, 1796, 2714, 2058, 813, 136, 10, 4, 88, 778, 2694, 4927]