A067439 - cp's OEIS frontend

A067439 a(n) = sum of all the remainders when n is divided by positive integers less than and coprime to n.

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	1
7	8
8	6
9	9
10	5
11	22
12	8
13	28
14	15
15	19
16	20
17	51
18	20
19	64
20	30
21	39
22	33
23	98
24	33
25	83
26	56
27	89
28	55
29	151
30	46
31	167
32	95
33	107
34	95
35	150
36	71
37	233
38	120
39	172
40	106
41	297
42	92
43	325
44	163
45	186
46	162
47	403
48	144
49	358
50	189
51	279
52	217
53	505
54	173
55	375
56	230
57	342
58	276
59	635
60	165
61	645
62	338

[0, 0, 1, 1, 4, 1, 8, 6, 9, 5, 22, 8, 28, 15, 19, 20, 51, 20, 64, 30, 39, 33, 98, 33, 83, 56, 89, 55, 151, 46, 167, 95, 107, 95, 150, 71, 233, 120, 172, 106, 297, 92, 325, 163, 186, 162, 403, 144, 358, 189, 279, 217, 505, 173, 375, 230, 342, 276, 635, 165, 645, 338]

cp's OEIS Frontend

A067439 a(n) = sum of all the remainders when n is divided by positive integers less than and coprime to n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	1
7	8
8	6
9	9
10	5
11	22
12	8
13	28
14	15
15	19
16	20
17	51
18	20
19	64
20	30
21	39
22	33
23	98
24	33
25	83
26	56
27	89
28	55
29	151
30	46
31	167
32	95
33	107
34	95
35	150
36	71
37	233
38	120
39	172
40	106
41	297
42	92
43	325
44	163
45	186
46	162
47	403
48	144
49	358
50	189
51	279
52	217
53	505
54	173
55	375
56	230
57	342
58	276
59	635
60	165
61	645
62	338

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	1
7	8
8	6
9	9
10	5
11	22
12	8
13	28
14	15
15	19
16	20
17	51
18	20
19	64
20	30
21	39
22	33
23	98
24	33
25	83
26	56
27	89
28	55
29	151
30	46
31	167
32	95
33	107
34	95
35	150
36	71
37	233
38	120
39	172
40	106
41	297
42	92
43	325
44	163
45	186
46	162
47	403
48	144
49	358
50	189
51	279
52	217
53	505
54	173
55	375
56	230
57	342
58	276
59	635
60	165
61	645
62	338

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	1
7	8
8	6
9	9
10	5
11	22
12	8
13	28
14	15
15	19
16	20
17	51
18	20
19	64
20	30
21	39
22	33
23	98
24	33
25	83
26	56
27	89
28	55
29	151
30	46
31	167
32	95
33	107
34	95
35	150
36	71
37	233
38	120
39	172
40	106
41	297
42	92
43	325
44	163
45	186
46	162
47	403
48	144
49	358
50	189
51	279
52	217
53	505
54	173
55	375
56	230
57	342
58	276
59	635
60	165
61	645
62	338