A195685 - cp's OEIS frontend

A195685 Primes p for which tau(2p-1) = tau(2p+1) = 4.

n	a(n)
1	17
2	43
3	47
4	71
5	101
6	107
7	109
8	151
9	197
10	223
11	317
12	349
13	461
14	521
15	569
16	631
17	673
18	701
19	821
20	881
21	919
22	947
23	971
24	991
25	1051
26	1091
27	1109
28	1153
29	1181
30	1217
31	1231
32	1259
33	1321
34	1361
35	1367
36	1549
37	1693
38	1801
39	1847
40	1933
41	1951
42	1979
43	2143
44	2207
45	2267
46	2297
47	2441
48	2801

[17, 43, 47, 71, 101, 107, 109, 151, 197, 223, 317, 349, 461, 521, 569, 631, 673, 701, 821, 881, 919, 947, 971, 991, 1051, 1091, 1109, 1153, 1181, 1217, 1231, 1259, 1321, 1361, 1367, 1549, 1693, 1801, 1847, 1933, 1951, 1979, 2143, 2207, 2267, 2297, 2441, 2801]

cp's OEIS Frontend

A195685 Primes p for which tau(2p-1) = tau(2p+1) = 4.

Table of values

List of values