A215041 - cp's OEIS frontend

A215041 a(n) = n^degree(C(n,x))/discriminant(C(n,x)) for the minimal polynomials C(n,x) of 2*cos(Pi/n), given in A187360.

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	3
7	7
8	2
9	9
10	5
11	11
12	9
13	13
14	7
15	45
16	2
17	17
18	27
19	19
20	25
21	189
22	11
23	23
24	81
25	125
26	13
27	243
28	49
29	29
30	2025
31	31
32	2
33	2673
34	17
35	6125
36	729
37	37
38	19
39	9477
40	625
41	41
42	35721
43	43
44	121
45	91125
46	23
47	47
48	6561
49	2401
50	3125
51	111537
52	169
53	53
54	19683
55	378125

[1, 2, 3, 2, 5, 3, 7, 2, 9, 5, 11, 9, 13, 7, 45, 2, 17, 27, 19, 25, 189, 11, 23, 81, 125, 13, 243, 49, 29, 2025, 31, 2, 2673, 17, 6125, 729, 37, 19, 9477, 625, 41, 35721, 43, 121, 91125, 23, 47, 6561, 2401, 3125, 111537, 169, 53, 19683, 378125]

cp's OEIS Frontend

A215041 a(n) = n^degree(C(n,x))/discriminant(C(n,x)) for the minimal polynomials C(n,x) of 2*cos(Pi/n), given in A187360.

Table of values

List of values