A318909 - cp's OEIS frontend

A318909 a(n) = Product_{1<=x<=n, n|(x^2-1)} x.

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	5
7	6
8	105
9	8
10	9
11	10
12	385
13	12
14	13
15	616
16	945
17	16
18	17
19	18
20	1881
21	2080
22	21
23	22
24	37182145
25	24
26	25
27	26
28	5265
29	28
30	6061
31	30
32	7905
33	7360
34	33
35	5916
36	11305
37	36
38	37
39	13300
40	1384944561
41	40
42	15457
43	42
44	20769
45	21736
46	45
47	46
48	4087504225
49	48
50	49
51	28000
52	34425

[1, 1, 2, 3, 4, 5, 6, 105, 8, 9, 10, 385, 12, 13, 616, 945, 16, 17, 18, 1881, 2080, 21, 22, 37182145, 24, 25, 26, 5265, 28, 6061, 30, 7905, 7360, 33, 5916, 11305, 36, 37, 13300, 1384944561, 40, 15457, 42, 20769, 21736, 45, 46, 4087504225, 48, 49, 28000, 34425]

cp's OEIS Frontend

A318909 a(n) = Product_{1<=x<=n, n|(x^2-1)} x.

Table of values

List of values