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.

A339409 Number of compositions (ordered partitions) of n into an odd number of primes.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 0
5 1
6 1
7 4
8 3
9 4
10 7
11 12
12 19
13 22
14 32
15 53
16 80
17 120
18 160
19 245
20 368
21 553
22 800
23 1164
24 1736
25 2588
26 3813
27 5598
28 8226
29 12228
30 18060
31 26657
32 39221
33 57945
34 85656
35 126506
36 186584
37 275307
38 406514
39 600488
40 886255
41 1308088
42 1930648
43 2850861
44 4208743
45 6212824
46 9170440
47 13538025

List of values

[0, 0, 1, 1, 0, 1, 1, 4, 3, 4, 7, 12, 19, 22, 32, 53, 80, 120, 160, 245, 368, 553, 800, 1164, 1736, 2588, 3813, 5598, 8226, 12228, 18060, 26657, 39221, 57945, 85656, 126506, 186584, 275307, 406514, 600488, 886255, 1308088, 1930648, 2850861, 4208743, 6212824, 9170440, 13538025]