A175434 - cp's OEIS frontend

A175434 (Digit sum of 2^n) mod n.

n	a(n)
1	0
2	0
3	2
4	3
5	0
6	4
7	4
8	5
9	8
10	7
11	3
12	7
13	7
14	8
15	11
16	9
17	14
18	1
19	10
20	11
21	5
22	3
23	18
24	13
25	4
26	14
27	8
28	15
29	12
30	7
31	16
32	26
33	29
34	27
35	24
36	28
37	19
38	29
39	32
40	21
41	9
42	4
43	13
44	14
45	17
46	24
47	21
48	25
49	16
50	26
51	29
52	27
53	24
54	28
55	37
56	29
57	23
58	12
59	18
60	22
61	13
62	23
63	26
64	24
65	21
66	43
67	43
68	35
69	20
70	0
71	15
72	37
73	37
74	56
75	50
76	30
77	27
78	22
79	31
80	32
81	26
82	42
83	39
84	34
85	43
86	26
87	20
88	27
89	24
90	28
91	55
92	47
93	32
94	57
95	45
96	31
97	40
98	14
99	8
100	15

[0, 0, 2, 3, 0, 4, 4, 5, 8, 7, 3, 7, 7, 8, 11, 9, 14, 1, 10, 11, 5, 3, 18, 13, 4, 14, 8, 15, 12, 7, 16, 26, 29, 27, 24, 28, 19, 29, 32, 21, 9, 4, 13, 14, 17, 24, 21, 25, 16, 26, 29, 27, 24, 28, 37, 29, 23, 12, 18, 22, 13, 23, 26, 24, 21, 43, 43, 35, 20, 0, 15, 37, 37, 56, 50, 30, 27, 22, 31, 32, 26, 42, 39, 34, 43, 26, 20, 27, 24, 28, 55, 47, 32, 57, 45, 31, 40, 14, 8, 15]

cp's OEIS Frontend

A175434 (Digit sum of 2^n) mod n.

Table of values

List of values

n	a(n)
1	0
2	0
3	2
4	3
5	0
6	4
7	4
8	5
9	8
10	7
11	3
12	7
13	7
14	8
15	11
16	9
17	14
18	1
19	10
20	11
21	5
22	3
23	18
24	13
25	4
26	14
27	8
28	15
29	12
30	7
31	16
32	26
33	29
34	27
35	24
36	28
37	19
38	29
39	32
40	21
41	9
42	4
43	13
44	14
45	17
46	24
47	21
48	25
49	16
50	26
51	29
52	27
53	24
54	28
55	37
56	29
57	23
58	12
59	18
60	22
61	13
62	23
63	26
64	24
65	21
66	43
67	43
68	35
69	20
70	0
71	15
72	37
73	37
74	56
75	50
76	30
77	27
78	22
79	31
80	32
81	26
82	42
83	39
84	34
85	43
86	26
87	20
88	27
89	24
90	28
91	55
92	47
93	32
94	57
95	45
96	31
97	40
98	14
99	8
100	15

n	a(n)
1	0
2	0
3	2
4	3
5	0
6	4
7	4
8	5
9	8
10	7
11	3
12	7
13	7
14	8
15	11
16	9
17	14
18	1
19	10
20	11
21	5
22	3
23	18
24	13
25	4
26	14
27	8
28	15
29	12
30	7
31	16
32	26
33	29
34	27
35	24
36	28
37	19
38	29
39	32
40	21
41	9
42	4
43	13
44	14
45	17
46	24
47	21
48	25
49	16
50	26
51	29
52	27
53	24
54	28
55	37
56	29
57	23
58	12
59	18
60	22
61	13
62	23
63	26
64	24
65	21
66	43
67	43
68	35
69	20
70	0
71	15
72	37
73	37
74	56
75	50
76	30
77	27
78	22
79	31
80	32
81	26
82	42
83	39
84	34
85	43
86	26
87	20
88	27
89	24
90	28
91	55
92	47
93	32
94	57
95	45
96	31
97	40
98	14
99	8
100	15

n	a(n)
1	0
2	0
3	2
4	3
5	0
6	4
7	4
8	5
9	8
10	7
11	3
12	7
13	7
14	8
15	11
16	9
17	14
18	1
19	10
20	11
21	5
22	3
23	18
24	13
25	4
26	14
27	8
28	15
29	12
30	7
31	16
32	26
33	29
34	27
35	24
36	28
37	19
38	29
39	32
40	21
41	9
42	4
43	13
44	14
45	17
46	24
47	21
48	25
49	16
50	26
51	29
52	27
53	24
54	28
55	37
56	29
57	23
58	12
59	18
60	22
61	13
62	23
63	26
64	24
65	21
66	43
67	43
68	35
69	20
70	0
71	15
72	37
73	37
74	56
75	50
76	30
77	27
78	22
79	31
80	32
81	26
82	42
83	39
84	34
85	43
86	26
87	20
88	27
89	24
90	28
91	55
92	47
93	32
94	57
95	45
96	31
97	40
98	14
99	8
100	15