A307434 - cp's OEIS frontend

A307434 a(n) is the smallest k such that the p-rank of (Z/kZ)* is 2, where p = prime(n) and (Z/kZ)* is the multiplicative group of integers modulo n.

n	a(n)
1	8
2	63
3	275
4	1247
5	1541
6	4187
7	14111
8	43739
9	6533
10	13747
11	116003
12	33227
13	61337
14	74563
15	186497
16	79501
17	586343
18	269011
19	432821
20	485357
21	128627
22	451091
23	83333
24	191351
25	377719
26	491063
27	638189
28	551051
29	2617309
30	359341
31	1164083
32	206981
33	902831
34	929633
35	2134277

[8, 63, 275, 1247, 1541, 4187, 14111, 43739, 6533, 13747, 116003, 33227, 61337, 74563, 186497, 79501, 586343, 269011, 432821, 485357, 128627, 451091, 83333, 191351, 377719, 491063, 638189, 551051, 2617309, 359341, 1164083, 206981, 902831, 929633, 2134277]

cp's OEIS Frontend

A307434 a(n) is the smallest k such that the p-rank of (Z/kZ)* is 2, where p = prime(n) and (Z/kZ)* is the multiplicative group of integers modulo n.

Table of values

List of values