A097018 - cp's OEIS frontend

A097018 a(n) is the least number such that sigma(a(n)) is divisible by the n-th prime.

n	a(n)
1	3
2	2
3	8
4	4
5	43
6	9
7	67
8	37
9	137
10	173
11	16
12	73
13	163
14	257
15	281
16	211
17	353
18	169
19	401
20	283
21	256
22	157
23	331
24	1024
25	193
26	1009
27	617
28	641
29	653
30	677
31	64
32	523
33	547
34	277
35	1489
36	1811
37	313
38	977
39	1669
40	691
41	1789
42	1447
43	4201
44	1543
45	787
46	397
47	421
48	1783
49	907
50	457
51	3727
52	1433
53	3373

[3, 2, 8, 4, 43, 9, 67, 37, 137, 173, 16, 73, 163, 257, 281, 211, 353, 169, 401, 283, 256, 157, 331, 1024, 193, 1009, 617, 641, 653, 677, 64, 523, 547, 277, 1489, 1811, 313, 977, 1669, 691, 1789, 1447, 4201, 1543, 787, 397, 421, 1783, 907, 457, 3727, 1433, 3373]

cp's OEIS Frontend

A097018 a(n) is the least number such that sigma(a(n)) is divisible by the n-th prime.

Table of values

List of values