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.

A358902 Number of integer compositions of n whose parts have weakly decreasing numbers of distinct prime factors (A001221).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 5
5 8
6 13
7 21
8 33
9 53
10 84
11 134
12 213
13 338
14 536
15 850
16 1349
17 2136
18 3389
19 5367
20 8509
21 13480
22 21362
23 33843
24 53624
25 84957
26 134600
27 213251
28 337850
29 535251
30 847987
31 1343440
32 2128372
33 3371895
34 5341977
35 8463051
36 13407689
37 21241181
38 33651507
39 53312538
40 84460690

List of values

[1, 1, 2, 3, 5, 8, 13, 21, 33, 53, 84, 134, 213, 338, 536, 850, 1349, 2136, 3389, 5367, 8509, 13480, 21362, 33843, 53624, 84957, 134600, 213251, 337850, 535251, 847987, 1343440, 2128372, 3371895, 5341977, 8463051, 13407689, 21241181, 33651507, 53312538, 84460690]