A322310 - cp's OEIS frontend

A322310 a(n) = Product_{d|n, d+1 is prime} A008578(1+[Sum_{i=0..A286561(n,1+d)} A320000((n/d)/((1+d)^i), 1+d)]). Here A286561(n,k) gives the k-valuation of n (for k > 1).

n	a(n)
1	3
2	6
3	1
4	10
5	1
6	12
7	1
8	14
9	1
10	4
11	1
12	28
13	1
14	1
15	1
16	22
17	1
18	12
19	1
20	20
21	1
22	4
23	1
24	102
25	1
26	1
27	1
28	4
29	1
30	4
31	1
32	26
33	1
34	1
35	1
36	66
37	1
38	1
39	1
40	104
41	1
42	12
43	1
44	6
45	1
46	4
47	1
48	92
49	1
50	1
51	1
52	4
53	1
54	4
55	1
56	6
57	1
58	4
59	1
60	132
61	1
62	1
63	1
64	34
65	1
66	4
67	1
68	1
69	1
70	4
71	1
72	1240
73	1
74	1
75	1
76	1
77	1
78	4
79	1
80	57
81	1
82	4
83	1
84	21
85	1
86	1
87	1
88	28
89	1
90	1
91	1
92	6
93	1
94	1
95	1
96	492
97	1
98	1
99	1
100	12
101	1
102	4
103	1
104	6
105	1

[3, 6, 1, 10, 1, 12, 1, 14, 1, 4, 1, 28, 1, 1, 1, 22, 1, 12, 1, 20, 1, 4, 1, 102, 1, 1, 1, 4, 1, 4, 1, 26, 1, 1, 1, 66, 1, 1, 1, 104, 1, 12, 1, 6, 1, 4, 1, 92, 1, 1, 1, 4, 1, 4, 1, 6, 1, 4, 1, 132, 1, 1, 1, 34, 1, 4, 1, 1, 1, 4, 1, 1240, 1, 1, 1, 1, 1, 4, 1, 57, 1, 4, 1, 21, 1, 1, 1, 28, 1, 1, 1, 6, 1, 1, 1, 492, 1, 1, 1, 12, 1, 4, 1, 6, 1]

cp's OEIS Frontend

A322310 a(n) = Product_{d|n, d+1 is prime} A008578(1+[Sum_{i=0..A286561(n,1+d)} A320000((n/d)/((1+d)^i), 1+d)]). Here A286561(n,k) gives the k-valuation of n (for k > 1).

Table of values

List of values