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.

A299072 Sequence is an irregular triangle read by rows with zeros removed where T(n,k) is the number of compositions of n whose standard factorization into Lyndon words has k distinct factors.

Table of values

n a(n)
1 1
2 2
3 3
4 1
5 5
6 3
7 7
8 9
9 13
10 17
11 2
12 19
13 39
14 6
15 35
16 72
17 21
18 59
19 141
20 55
21 1
22 107
23 266
24 132
25 7
26 187
27 511
28 300
29 26
30 351
31 952
32 660
33 85
34 631
35 1827
36 1395
37 240
38 3
39 1181
40 3459
41 2901
42 636
43 15
44 2191
45 6595
46 5977
47 1554
48 67
49 4115
50 12604
51 12123
52 3698
53 228
54 7711
55 24173
56 24504

List of values

[1, 2, 3, 1, 5, 3, 7, 9, 13, 17, 2, 19, 39, 6, 35, 72, 21, 59, 141, 55, 1, 107, 266, 132, 7, 187, 511, 300, 26, 351, 952, 660, 85, 631, 1827, 1395, 240, 3, 1181, 3459, 2901, 636, 15, 2191, 6595, 5977, 1554, 67, 4115, 12604, 12123, 3698, 228, 7711, 24173, 24504]