A340740 - cp's OEIS frontend

A340740 a(n) is the sum of all the remainders when n is divided by positive integers less than n/2 and coprime to n.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	2
8	2
9	2
10	1
11	7
12	2
13	7
14	6
15	5
16	4
17	15
18	7
19	19
20	10
21	9
22	8
23	32
24	9
25	20
26	20
27	28
28	13
29	46
30	14
31	47
32	31
33	27
34	31
35	48
36	17
37	62
38	39
39	58
40	26
41	87
42	26
43	94
44	53
45	52
46	41
47	127
48	48
49	100
50	65
51	79
52	61
53	154
54	52
55	105
56	62
57	90
58	80
59	200
60	45
61	180
62	113
63	138
64	103
65	162
66	77
67	229
68	116
69	149
70	73
71	274
72	87
73	257
74	166
75	178

[0, 0, 0, 0, 1, 0, 2, 2, 2, 1, 7, 2, 7, 6, 5, 4, 15, 7, 19, 10, 9, 8, 32, 9, 20, 20, 28, 13, 46, 14, 47, 31, 27, 31, 48, 17, 62, 39, 58, 26, 87, 26, 94, 53, 52, 41, 127, 48, 100, 65, 79, 61, 154, 52, 105, 62, 90, 80, 200, 45, 180, 113, 138, 103, 162, 77, 229, 116, 149, 73, 274, 87, 257, 166, 178]

cp's OEIS Frontend

A340740 a(n) is the sum of all the remainders when n is divided by positive integers less than n/2 and coprime to n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	2
8	2
9	2
10	1
11	7
12	2
13	7
14	6
15	5
16	4
17	15
18	7
19	19
20	10
21	9
22	8
23	32
24	9
25	20
26	20
27	28
28	13
29	46
30	14
31	47
32	31
33	27
34	31
35	48
36	17
37	62
38	39
39	58
40	26
41	87
42	26
43	94
44	53
45	52
46	41
47	127
48	48
49	100
50	65
51	79
52	61
53	154
54	52
55	105
56	62
57	90
58	80
59	200
60	45
61	180
62	113
63	138
64	103
65	162
66	77
67	229
68	116
69	149
70	73
71	274
72	87
73	257
74	166
75	178

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	2
8	2
9	2
10	1
11	7
12	2
13	7
14	6
15	5
16	4
17	15
18	7
19	19
20	10
21	9
22	8
23	32
24	9
25	20
26	20
27	28
28	13
29	46
30	14
31	47
32	31
33	27
34	31
35	48
36	17
37	62
38	39
39	58
40	26
41	87
42	26
43	94
44	53
45	52
46	41
47	127
48	48
49	100
50	65
51	79
52	61
53	154
54	52
55	105
56	62
57	90
58	80
59	200
60	45
61	180
62	113
63	138
64	103
65	162
66	77
67	229
68	116
69	149
70	73
71	274
72	87
73	257
74	166
75	178

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	2
8	2
9	2
10	1
11	7
12	2
13	7
14	6
15	5
16	4
17	15
18	7
19	19
20	10
21	9
22	8
23	32
24	9
25	20
26	20
27	28
28	13
29	46
30	14
31	47
32	31
33	27
34	31
35	48
36	17
37	62
38	39
39	58
40	26
41	87
42	26
43	94
44	53
45	52
46	41
47	127
48	48
49	100
50	65
51	79
52	61
53	154
54	52
55	105
56	62
57	90
58	80
59	200
60	45
61	180
62	113
63	138
64	103
65	162
66	77
67	229
68	116
69	149
70	73
71	274
72	87
73	257
74	166
75	178