A002997 - cp's OEIS frontend

A002997 Carmichael numbers: composite numbers k such that a^(k-1) == 1 (mod k) for every a coprime to k.

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

[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

A002997 Carmichael numbers: composite numbers k such that a^(k-1) == 1 (mod k) for every a coprime to k.

Table of values

List of values