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.

A303280 Number of strict integer partitions of n whose parts have a common divisor other than 1.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 1
6 2
7 1
8 2
9 2
10 3
11 1
12 5
13 1
14 5
15 4
16 6
17 1
18 10
19 1
20 11
21 6
22 12
23 1
24 19
25 3
26 18
27 8
28 23
29 1
30 36
31 1
32 32
33 13
34 38
35 7
36 57
37 1
38 54
39 19
40 68
41 1
42 95
43 1
44 90
45 33
46 104
47 1
48 148
49 5
50 149
51 39
52 166
53 1
54 230
55 14
56 226
57 55
58 256
59 1
60 360
61 1
62 340
63 82
64 390
65 20
66 527
67 1
68 513
69 105
70 609
71 1

List of values

[0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 1, 5, 1, 5, 4, 6, 1, 10, 1, 11, 6, 12, 1, 19, 3, 18, 8, 23, 1, 36, 1, 32, 13, 38, 7, 57, 1, 54, 19, 68, 1, 95, 1, 90, 33, 104, 1, 148, 5, 149, 39, 166, 1, 230, 14, 226, 55, 256, 1, 360, 1, 340, 82, 390, 20, 527, 1, 513, 105, 609, 1]