A178751 - cp's OEIS frontend

A178751 Numbers k such that in Z/kZ the equation x^y + 1 = 0 has only the trivial solutions with x == -1 (mod k).

n	a(n)
1	2
2	3
3	4
4	6
5	8
6	12
7	15
8	16
9	20
10	24
11	30
12	32
13	40
14	48
15	51
16	60
17	64
18	68
19	80
20	96
21	102
22	120
23	128
24	136
25	160
26	192
27	204
28	240
29	255
30	256
31	272
32	320
33	340
34	384
35	408
36	480
37	510
38	512
39	544
40	640
41	680
42	768
43	771
44	816
45	960
46	1020
47	1024
48	1028
49	1088
50	1280
51	1360
52	1536
53	1542
54	1632
55	1920
56	2040

[2, 3, 4, 6, 8, 12, 15, 16, 20, 24, 30, 32, 40, 48, 51, 60, 64, 68, 80, 96, 102, 120, 128, 136, 160, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 512, 544, 640, 680, 768, 771, 816, 960, 1020, 1024, 1028, 1088, 1280, 1360, 1536, 1542, 1632, 1920, 2040]

cp's OEIS Frontend

A178751 Numbers k such that in Z/kZ the equation x^y + 1 = 0 has only the trivial solutions with x == -1 (mod k).

Table of values

List of values