A072995 - cp's OEIS frontend

A072995 Least k > 0 such that the number of solutions to x^k == 1 (mod k) 1 <= x <= k is equal to n, or 0 if no such k exists.

n	a(n)
1	1
2	4
3	9
4	8
5	25
6	18
7	49
8	16
9	27
10	50
11	121
12	36
13	169
14	98
15	225
16	32
17	289
18	54
19	361
20	110
21	147
22	242
23	529
24	72
25	125
26	338
27	81
28	196
29	841
30	0
31	961
32	64
33	1089
34	578
35	1225
36	108
37	1369
38	722
39	507
40	100
41	1681
42	0
43	1849
44	484
45	675
46	1058
47	2209
48	144
49	343
50	250
51	2601
52	1378
53	2809

[1, 4, 9, 8, 25, 18, 49, 16, 27, 50, 121, 36, 169, 98, 225, 32, 289, 54, 361, 110, 147, 242, 529, 72, 125, 338, 81, 196, 841, 0, 961, 64, 1089, 578, 1225, 108, 1369, 722, 507, 100, 1681, 0, 1849, 484, 675, 1058, 2209, 144, 343, 250, 2601, 1378, 2809]

cp's OEIS Frontend

A072995 Least k > 0 such that the number of solutions to x^k == 1 (mod k) 1 <= x <= k is equal to n, or 0 if no such k exists.

Table of values

List of values