A322702 - cp's OEIS frontend

A322702 a(n) is the product of primes p such that p+1 divides n.

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	10
7	1
8	21
9	2
10	1
11	1
12	330
13	1
14	13
15	2
16	21
17	1
18	170
19	1
20	57
21	2
22	1
23	1
24	53130
25	1
26	1
27	2
28	39
29	1
30	290
31	1
32	651
33	2
34	1
35	1
36	5610
37	1
38	37
39	2
40	399
41	1
42	5330
43	1
44	129
45	2
46	1
47	1
48	2497110
49	1
50	1
51	2
52	3
53	1
54	9010
55	1
56	273
57	2
58	1
59	1
60	10727970
61	1
62	61
63	2
64	651
65	1
66	10
67	1
68	201
69	2

[1, 1, 2, 3, 1, 10, 1, 21, 2, 1, 1, 330, 1, 13, 2, 21, 1, 170, 1, 57, 2, 1, 1, 53130, 1, 1, 2, 39, 1, 290, 1, 651, 2, 1, 1, 5610, 1, 37, 2, 399, 1, 5330, 1, 129, 2, 1, 1, 2497110, 1, 1, 2, 3, 1, 9010, 1, 273, 2, 1, 1, 10727970, 1, 61, 2, 651, 1, 10, 1, 201, 2]

cp's OEIS Frontend

A322702 a(n) is the product of primes p such that p+1 divides n.

Table of values

List of values