A228869 - cp's OEIS frontend

A228869 Numbers n such that 2 * (1^n + 2^n + 3^n + ... + n^n) == 0 (mod n).

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

[1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 79, 81, 82, 83]

cp's OEIS Frontend

A228869 Numbers n such that 2 * (1^n + 2^n + 3^n + ... + n^n) == 0 (mod n).

Table of values

List of values

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

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

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