A378792 - cp's OEIS frontend

A378792 Numbers k such that tau(k) == 1 (mod(2*(tau(prime(k) - k + 1)))), where tau(k) = A000005(k).

n	a(n)
1	1
2	196
3	225
4	441
5	484
6	625
7	1089
8	1156
9	1225
10	1296
11	1444
12	3025
13	3249
14	3844
15	4225
16	5929
17	6561
18	7225
19	7396
20	7569
21	8281
22	11236
23	12321
24	13225
25	13924
26	15129
27	16641
28	17689
29	20164
30	21025
31	24025
32	25281
33	25600
34	34225
35	34969
36	40401
37	42025
38	47089
39	50625
40	51076
41	55225

[1, 196, 225, 441, 484, 625, 1089, 1156, 1225, 1296, 1444, 3025, 3249, 3844, 4225, 5929, 6561, 7225, 7396, 7569, 8281, 11236, 12321, 13225, 13924, 15129, 16641, 17689, 20164, 21025, 24025, 25281, 25600, 34225, 34969, 40401, 42025, 47089, 50625, 51076, 55225]

cp's OEIS Frontend

A378792 Numbers k such that tau(k) == 1 (mod(2*(tau(prime(k) - k + 1)))), where tau(k) = A000005(k).

Table of values

List of values