A351743 - cp's OEIS frontend

A351743 a(1)=1. Thereafter, a(n+1) is the greatest divisor of s(n) which is prime to a(n), where s(n) is the n-th partial sum.

n	a(n)
1	1
2	1
3	2
4	1
5	5
6	2
7	3
8	5
9	4
10	3
11	1
12	28
13	1
14	57
15	2
16	29
17	5
18	6
19	13
20	1
21	170
22	1
23	341
24	2
25	171
26	5
27	172
28	3
29	115
30	2
31	9
32	43
33	28
34	11
35	113
36	12
37	19
38	73
39	20
40	37
41	41
42	38
43	21
44	11
45	148
46	3
47	593
48	4
49	297
50	1
51	2674
52	1
53	5349
54	2
55	2675
56	1
57	13376
58	1
59	26753
60	2
61	13377
62	5
63	13378
64	3
65	991
66	82
67	31

[1, 1, 2, 1, 5, 2, 3, 5, 4, 3, 1, 28, 1, 57, 2, 29, 5, 6, 13, 1, 170, 1, 341, 2, 171, 5, 172, 3, 115, 2, 9, 43, 28, 11, 113, 12, 19, 73, 20, 37, 41, 38, 21, 11, 148, 3, 593, 4, 297, 1, 2674, 1, 5349, 2, 2675, 1, 13376, 1, 26753, 2, 13377, 5, 13378, 3, 991, 82, 31]

cp's OEIS Frontend

A351743 a(1)=1. Thereafter, a(n+1) is the greatest divisor of s(n) which is prime to a(n), where s(n) is the n-th partial sum.

Table of values

List of values