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.

A299027 Number of compositions of n whose standard factorization into Lyndon words has all distinct weakly increasing factors.

Table of values

n a(n)
1 1
2 1
3 3
4 5
5 11
6 20
7 38
8 69
9 125
10 225
11 400
12 708
13 1244
14 2176
15 3779
16 6532
17 11229
18 19223
19 32745
20 55555
21 93875
22 158025
23 265038
24 443009
25 738026
26 1225649
27 2029305
28 3350167
29 5515384
30 9055678
31 14830076
32 24226115
33 39480306
34 64190026
35 104130753
36 168556588
37 272268482

List of values

[1, 1, 3, 5, 11, 20, 38, 69, 125, 225, 400, 708, 1244, 2176, 3779, 6532, 11229, 19223, 32745, 55555, 93875, 158025, 265038, 443009, 738026, 1225649, 2029305, 3350167, 5515384, 9055678, 14830076, 24226115, 39480306, 64190026, 104130753, 168556588, 272268482]

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

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