A128399 - cp's OEIS frontend

A128399 Numbers k such that k^2 divides 19^k-1.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	9
7	10
8	12
9	18
10	20
11	30
12	36
13	42
14	60
15	84
16	90
17	110
18	126
19	156
20	180
21	210
22	220
23	252
24	294
25	330
26	381
27	420
28	468
29	588
30	630
31	660
32	724
33	762
34	780
35	882
36	930
37	990
38	1092
39	1143
40	1260
41	1332
42	1470
43	1510
44	1524
45	1764
46	1806
47	1830
48	1860
49	1980
50	2028
51	2058
52	2172
53	2286
54	2310

[1, 2, 3, 4, 6, 9, 10, 12, 18, 20, 30, 36, 42, 60, 84, 90, 110, 126, 156, 180, 210, 220, 252, 294, 330, 381, 420, 468, 588, 630, 660, 724, 762, 780, 882, 930, 990, 1092, 1143, 1260, 1332, 1470, 1510, 1524, 1764, 1806, 1830, 1860, 1980, 2028, 2058, 2172, 2286, 2310]

cp's OEIS Frontend

A128399 Numbers k such that k^2 divides 19^k-1.

Table of values

List of values