A372305 - cp's OEIS frontend

A372305 a(n) = Product_{k=2..n-1} MultiplicativeOrder(k,n) where gcd(k,n)=1.

n	a(n)
1	1
2	1
3	2
4	2
5	32
6	2
7	648
8	8
9	648
10	32
11	12500000
12	8
13	214990848
14	648
15	2048
16	2048
17	562949953421312
18	648
19	11712917736940032
20	2048
21	3359232
22	12500000
23	1377791989621882898843648
24	128
25	5120000000000000000
26	214990848
27	11712917736940032

[1, 1, 2, 2, 32, 2, 648, 8, 648, 32, 12500000, 8, 214990848, 648, 2048, 2048, 562949953421312, 648, 11712917736940032, 2048, 3359232, 12500000, 1377791989621882898843648, 128, 5120000000000000000, 214990848, 11712917736940032]

cp's OEIS Frontend

A372305 a(n) = Product_{k=2..n-1} MultiplicativeOrder(k,n) where gcd(k,n)=1.

Table of values

List of values