A161517 - cp's OEIS frontend

A161517 Sum of remainders of c mod k where k = 1, 2, 3, ..., c and c is the n-th composite number.

n	a(n)
1	1
2	3
3	8
4	12
5	13
6	17
7	31
8	36
9	36
10	47
11	61
12	70
13	77
14	85
15	103
16	112
17	125
18	124
19	138
20	167
21	184
22	197
23	218
24	198
25	248
26	269
27	258
28	284
29	328
30	339
31	358
32	374
33	414
34	420
35	449
36	454
37	492
38	529
39	520
40	553
41	578
42	586
43	672
44	693
45	693
46	738
47	725
48	799
49	840
50	835
51	852
52	956
53	981
54	992
55	1049
56	1036

[1, 3, 8, 12, 13, 17, 31, 36, 36, 47, 61, 70, 77, 85, 103, 112, 125, 124, 138, 167, 184, 197, 218, 198, 248, 269, 258, 284, 328, 339, 358, 374, 414, 420, 449, 454, 492, 529, 520, 553, 578, 586, 672, 693, 693, 738, 725, 799, 840, 835, 852, 956, 981, 992, 1049, 1036]

cp's OEIS Frontend

A161517 Sum of remainders of c mod k where k = 1, 2, 3, ..., c and c is the n-th composite number.

Table of values

List of values