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.

A353391 Number of compositions of n that are empty, a singleton, or whose run-lengths are a subsequence that is already counted.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 3
7 1
8 1
9 4
10 5
11 7
12 9
13 11
14 15
15 22
16 38
17 45
18 87
19 93

List of values

[1, 1, 1, 1, 2, 1, 3, 1, 1, 4, 5, 7, 9, 11, 15, 22, 38, 45, 87, 93]