A323214 - cp's OEIS frontend

A323214 Composite numbers k such that p^(k-1) == 1 (mod k) for every prime p strongly prime to k.

n	a(n)
1	4
2	6
3	561
4	1105
5	1729
6	2465
7	2821
8	6601
9	8911
10	10585
11	15841
12	29341
13	41041
14	46657
15	52633
16	62745
17	63973
18	75361
19	101101
20	115921
21	126217
22	162401
23	172081
24	188461
25	252601
26	278545
27	294409
28	314821
29	334153
30	340561
31	399001
32	410041
33	449065
34	488881
35	512461
36	530881
37	552721

[4, 6, 561, 1105, 1729, 2465, 2821, 6601, 8911, 10585, 15841, 29341, 41041, 46657, 52633, 62745, 63973, 75361, 101101, 115921, 126217, 162401, 172081, 188461, 252601, 278545, 294409, 314821, 334153, 340561, 399001, 410041, 449065, 488881, 512461, 530881, 552721]

cp's OEIS Frontend

A323214 Composite numbers k such that p^(k-1) == 1 (mod k) for every prime p strongly prime to k.

Table of values

List of values