A055006 - cp's OEIS frontend

A055006 a(n) is the least multiple of n such that a(n) = 1 mod k for all integers k with 1 < k < n and k relatively prime to n.

n	a(n)
1	1
2	2
3	3
4	4
5	25
6	6
7	301
8	736
9	2241
10	190
11	25201
12	4236
13	83161
14	19306
15	64065
16	135136
17	7207201
18	85086
19	49008961
20	49468420
21	36951201
22	27776386
23	698377681
24	855189336
25	25700298625
26	2445441076
27	74364290001
28	13624600276
29	2248776129601
30	6254036790
31	39594522567601

[1, 2, 3, 4, 25, 6, 301, 736, 2241, 190, 25201, 4236, 83161, 19306, 64065, 135136, 7207201, 85086, 49008961, 49468420, 36951201, 27776386, 698377681, 855189336, 25700298625, 2445441076, 74364290001, 13624600276, 2248776129601, 6254036790, 39594522567601]

cp's OEIS Frontend

A055006 a(n) is the least multiple of n such that a(n) = 1 mod k for all integers k with 1 < k < n and k relatively prime to n.

Table of values

List of values