A163185 - cp's OEIS frontend

A163185 Primes p such that the equation x^2 = -2 mod p has a solution, and ord_p(-2) is even.

n	a(n)
1	17
2	41
3	73
4	89
5	97
6	113
7	137
8	193
9	233
10	241
11	257
12	313
13	337
14	353
15	401
16	409
17	433
18	449
19	457
20	521
21	569
22	577
23	593
24	601
25	641
26	673
27	761
28	769
29	809
30	857
31	881
32	929
33	937
34	953
35	977
36	1009
37	1129
38	1153
39	1201
40	1217
41	1249
42	1289
43	1297
44	1321
45	1361
46	1409
47	1433
48	1489
49	1601
50	1609

[17, 41, 73, 89, 97, 113, 137, 193, 233, 241, 257, 313, 337, 353, 401, 409, 433, 449, 457, 521, 569, 577, 593, 601, 641, 673, 761, 769, 809, 857, 881, 929, 937, 953, 977, 1009, 1129, 1153, 1201, 1217, 1249, 1289, 1297, 1321, 1361, 1409, 1433, 1489, 1601, 1609]

cp's OEIS Frontend

A163185 Primes p such that the equation x^2 = -2 mod p has a solution, and ord_p(-2) is even.

Table of values

List of values