A238232 - cp's OEIS frontend

A238232 Composite numbers n such that the sum of numbers x<=n not coprime to n divides the sum of numbers y<=n coprime to n.

n	a(n)
1	15
2	35
3	95
4	119
5	143
6	209
7	255
8	287
9	319
10	323
11	377
12	527
13	559
14	779
15	899
16	923
17	989
18	1007
19	1189
20	1199
21	1295
22	1343
23	1349
24	1763
25	1919
26	2159
27	2507
28	2759
29	2911
30	3239
31	3599
32	3827
33	4031
34	4607
35	5183
36	5207
37	5249
38	5459
39	5543
40	6439
41	6479
42	6887
43	7067
44	7279
45	7739
46	8159
47	8639

[15, 35, 95, 119, 143, 209, 255, 287, 319, 323, 377, 527, 559, 779, 899, 923, 989, 1007, 1189, 1199, 1295, 1343, 1349, 1763, 1919, 2159, 2507, 2759, 2911, 3239, 3599, 3827, 4031, 4607, 5183, 5207, 5249, 5459, 5543, 6439, 6479, 6887, 7067, 7279, 7739, 8159, 8639]

cp's OEIS Frontend

A238232 Composite numbers n such that the sum of numbers x<=n not coprime to n divides the sum of numbers y<=n coprime to n.

Table of values

List of values