A077815 - cp's OEIS frontend

A077815 2^phi(n) mod n^2, where phi is Euler's totient function A000010.

n	a(n)
1	0
2	2
3	4
4	4
5	16
6	4
7	15
8	16
9	64
10	16
11	56
12	16
13	40
14	64
15	31
16	0
17	222
18	64
19	58
20	256
21	127
22	56
23	392
24	256
25	451
26	40
27	433
28	176
29	30
30	256
31	187
32	0
33	958
34	800
35	841
36	208
37	38
38	780
39	586
40	1536
41	944
42	568
43	1076
44	1200
45	91
46	392
47	2069
48	1024
49	2157
50	1076
51	1021
52	1600
53	1909
54	2620
55	826
56	2752

[0, 2, 4, 4, 16, 4, 15, 16, 64, 16, 56, 16, 40, 64, 31, 0, 222, 64, 58, 256, 127, 56, 392, 256, 451, 40, 433, 176, 30, 256, 187, 0, 958, 800, 841, 208, 38, 780, 586, 1536, 944, 568, 1076, 1200, 91, 392, 2069, 1024, 2157, 1076, 1021, 1600, 1909, 2620, 826, 2752]

cp's OEIS Frontend

A077815 2^phi(n) mod n^2, where phi is Euler's totient function A000010.

Table of values

List of values