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.

A331381 Number of integer partitions of n whose sum of primes of parts is divisible by their product of parts.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 3
6 1
7 5
8 2
9 6
10 6
11 5
12 5
13 7
14 4
15 7
16 7
17 7
18 10
19 8
20 9
21 6
22 10
23 9
24 9
25 15
26 7
27 12
28 10
29 14
30 10
31 10
32 8
33 8
34 15
35 10
36 7
37 16
38 13
39 9
40 10
41 14
42 12
43 10
44 8
45 14
46 11
47 13
48 11
49 16
50 15
51 14
52 15
53 15
54 10
55 14
56 18
57 11
58 12
59 13
60 13
61 18
62 21
63 15
64 16
65 19
66 16
67 15
68 8
69 17
70 17

List of values

[1, 1, 1, 1, 1, 3, 1, 5, 2, 6, 6, 5, 5, 7, 4, 7, 7, 7, 10, 8, 9, 6, 10, 9, 9, 15, 7, 12, 10, 14, 10, 10, 8, 8, 15, 10, 7, 16, 13, 9, 10, 14, 12, 10, 8, 14, 11, 13, 11, 16, 15, 14, 15, 15, 10, 14, 18, 11, 12, 13, 13, 18, 21, 15, 16, 19, 16, 15, 8, 17, 17]

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

Content is available under The OEIS End-User License Agreement.