A322312 - cp's OEIS frontend

A322312 a(n) = Product_{d|n, d+1 is prime} prime(1+A286561(n,d+1)), where A286561(n,k) gives the k-valuation of n (for k > 1).

n	a(n)
1	2
2	6
3	2
4	20
5	2
6	18
7	2
8	28
9	2
10	12
11	2
12	120
13	2
14	6
15	2
16	88
17	2
18	60
19	2
20	60
21	2
22	12
23	2
24	168
25	2
26	6
27	2
28	40
29	2
30	72
31	2
32	104
33	2
34	6
35	2
36	800
37	2
38	6
39	2
40	168
41	2
42	54
43	2
44	40
45	2
46	12
47	2
48	528
49	2
50	12
51	2
52	40
53	2
54	84
55	2
56	56
57	2
58	12
59	2
60	1440
61	2
62	6
63	2
64	136
65	2
66	72
67	2
68	20
69	2
70	24
71	2
72	2240
73	2
74	6
75	2
76	20
77	2
78	36
79	2
80	528
81	2
82	12
83	2
84	720
85	2
86	6
87	2
88	112
89	2

[2, 6, 2, 20, 2, 18, 2, 28, 2, 12, 2, 120, 2, 6, 2, 88, 2, 60, 2, 60, 2, 12, 2, 168, 2, 6, 2, 40, 2, 72, 2, 104, 2, 6, 2, 800, 2, 6, 2, 168, 2, 54, 2, 40, 2, 12, 2, 528, 2, 12, 2, 40, 2, 84, 2, 56, 2, 12, 2, 1440, 2, 6, 2, 136, 2, 72, 2, 20, 2, 24, 2, 2240, 2, 6, 2, 20, 2, 36, 2, 528, 2, 12, 2, 720, 2, 6, 2, 112, 2]

cp's OEIS Frontend

A322312 a(n) = Product_{d|n, d+1 is prime} prime(1+A286561(n,d+1)), where A286561(n,k) gives the k-valuation of n (for k > 1).

Table of values

List of values