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.

A339408 Number of compositions (ordered partitions) of n into an even number of primes.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 1
5 2
6 1
7 2
8 3
9 6
10 9
11 8
12 16
13 24
14 40
15 52
16 72
17 112
18 172
19 256
20 364
21 528
22 804
23 1188
24 1757
25 2548
26 3782
27 5614
28 8308
29 12214
30 17979
31 26586
32 39352
33 58044
34 85608
35 126248
36 186630
37 275556
38 406737
39 600066
40 885952
41 1308250
42 1931473
43 2850692
44 4207952
45 6212110
46 9171800
47 13538980

List of values

[1, 0, 0, 0, 1, 2, 1, 2, 3, 6, 9, 8, 16, 24, 40, 52, 72, 112, 172, 256, 364, 528, 804, 1188, 1757, 2548, 3782, 5614, 8308, 12214, 17979, 26586, 39352, 58044, 85608, 126248, 186630, 275556, 406737, 600066, 885952, 1308250, 1931473, 2850692, 4207952, 6212110, 9171800, 13538980]

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

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