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.

A105114 Triangle read by rows: T(n,k) is the number of compositions of n having exactly k parts equal to 2.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 4
7 3
8 1
9 7
10 6
11 3
12 12
13 13
14 6
15 1
16 21
17 26
18 13
19 4
20 37
21 50
22 30
23 10
24 1
25 65
26 96
27 66
28 24
29 5
30 114
31 184
32 139
33 59
34 15
35 1
36 200
37 350
38 288
39 140
40 40
41 6
42 351
43 661
44 591
45 318
46 105
47 21
48 1
49 616
50 1242
51 1199
52 704
53 266
54 62
55 7
56 1081
57 2324
58 2406
59 1533
60 645
61 174
62 28
63 1
64 1897
65 4332

List of values

[1, 1, 1, 1, 2, 2, 4, 3, 1, 7, 6, 3, 12, 13, 6, 1, 21, 26, 13, 4, 37, 50, 30, 10, 1, 65, 96, 66, 24, 5, 114, 184, 139, 59, 15, 1, 200, 350, 288, 140, 40, 6, 351, 661, 591, 318, 105, 21, 1, 616, 1242, 1199, 704, 266, 62, 7, 1081, 2324, 2406, 1533, 645, 174, 28, 1, 1897, 4332]