A339521 - cp's OEIS frontend

A339521 Odd composite integers m such that A005248(2*m-J(m,5)) == 3 (mod m), where J(m,5) is the Jacobi symbol.

n	a(n)
1	21
2	203
3	323
4	329
5	377
6	451
7	609
8	861
9	1001
10	1081
11	1183
12	1547
13	1729
14	1819
15	1891
16	2033
17	2211
18	2821
19	3081
20	3549
21	3653
22	3827
23	4089
24	4181
25	4669
26	5671
27	5777
28	5887
29	6601
30	6721
31	8149
32	8557
33	8841
34	10877
35	11309
36	11663
37	13201
38	13601
39	13861
40	13981
41	14701
42	15051
43	15251

[21, 203, 323, 329, 377, 451, 609, 861, 1001, 1081, 1183, 1547, 1729, 1819, 1891, 2033, 2211, 2821, 3081, 3549, 3653, 3827, 4089, 4181, 4669, 5671, 5777, 5887, 6601, 6721, 8149, 8557, 8841, 10877, 11309, 11663, 13201, 13601, 13861, 13981, 14701, 15051, 15251]

cp's OEIS Frontend

A339521 Odd composite integers m such that A005248(2*m-J(m,5)) == 3 (mod m), where J(m,5) is the Jacobi symbol.

Table of values

List of values