A294885 - cp's OEIS frontend

A294885 a(n) = A004125(n) mod n = [Sum_{i=1..n} (n mod i)] mod n.

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

[0, 0, 1, 1, 4, 3, 1, 0, 3, 3, 0, 5, 2, 3, 6, 4, 0, 11, 7, 1, 7, 11, 6, 13, 3, 8, 17, 12, 6, 18, 12, 7, 19, 27, 8, 18, 11, 20, 35, 18, 10, 32, 24, 20, 24, 36, 27, 38, 22, 20, 41, 38, 28, 6, 34, 16, 40, 56, 45, 46, 35, 52, 0, 53, 23, 65, 53, 51, 12, 65, 52, 60, 47, 68, 6, 4, 48, 22, 7, 46, 73, 15, 82, 11, 58, 83, 35, 15, 87, 17, 71, 71]

cp's OEIS Frontend

A294885 a(n) = A004125(n) mod n = [Sum_{i=1..n} (n mod i)] mod n.

Table of values

List of values

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

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

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