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.

A324370 Product of all primes p not dividing n such that the sum of the base-p digits of n is at least p, or 1 if no such prime exists.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 1
7 6
8 3
9 10
10 1
11 6
12 1
13 210
14 15
15 2
16 3
17 30
18 5
19 210
20 21
21 110
22 15
23 30
24 5
25 546
26 21
27 14
28 1
29 30
30 1
31 462
32 231
33 1190
34 105
35 6
36 1
37 51870
38 1365
39 70
40 21
41 2310
42 55
43 2310
44 105
45 322
46 105
47 210
48 35
49 6630
50 663
51 286
52 33
53 330
54 55
55 798
56 57
57 290
58 15
59 30
60 1
61 930930
62 15015
63 1430
64 2145
65 1122
66 85
67 82110
68 2415
69 70
70 3
71 330
72 55
73 21111090
74 285285

List of values

[1, 1, 2, 1, 6, 1, 6, 3, 10, 1, 6, 1, 210, 15, 2, 3, 30, 5, 210, 21, 110, 15, 30, 5, 546, 21, 14, 1, 30, 1, 462, 231, 1190, 105, 6, 1, 51870, 1365, 70, 21, 2310, 55, 2310, 105, 322, 105, 210, 35, 6630, 663, 286, 33, 330, 55, 798, 57, 290, 15, 30, 1, 930930, 15015, 1430, 2145, 1122, 85, 82110, 2415, 70, 3, 330, 55, 21111090, 285285]