A128403 - cp's OEIS frontend

A128403 Numbers k such that k^2 divides 23^k-1.

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	11
7	12
8	20
9	22
10	24
11	40
12	42
13	44
14	60
15	66
16	78
17	84
18	88
19	120
20	132
21	156
22	168
23	212
24	220
25	264
26	312
27	420
28	424
29	440
30	444
31	462
32	474
33	546
34	620
35	636
36	660
37	780
38	820
39	840
40	858
41	888
42	924
43	948
44	1014
45	1060
46	1092
47	1218
48	1220
49	1240
50	1272
51	1320
52	1560
53	1640
54	1716

[1, 2, 4, 6, 8, 11, 12, 20, 22, 24, 40, 42, 44, 60, 66, 78, 84, 88, 120, 132, 156, 168, 212, 220, 264, 312, 420, 424, 440, 444, 462, 474, 546, 620, 636, 660, 780, 820, 840, 858, 888, 924, 948, 1014, 1060, 1092, 1218, 1220, 1240, 1272, 1320, 1560, 1640, 1716]

cp's OEIS Frontend

A128403 Numbers k such that k^2 divides 23^k-1.

Table of values

List of values