A205140 - cp's OEIS frontend

A205140 Least s(k) such that n divides s(k)-s(j) for some j where s(j)=j(3j-1)/2, the j-th pentagonal number.

n	a(n)
1	5
2	5
3	22
4	5
5	22
6	35
7	12
8	51
9	145
10	22
11	12
12	70
13	35
14	92
15	35
16	51
17	22
18	145
19	70
20	92
21	22
22	92
23	35
24	70
25	51
26	247
27	1162
28	117
29	51
30	35
31	176
32	715
33	117
34	35
35	70
36	145
37	247
38	477
39	51
40	92
41	92
42	176
43	330
44	330
45	247
46	51
47	117
48	70
49	247
50	51
51	247
52	330
53	145
54	1247
55	145
56	117
57	92
58	70

[5, 5, 22, 5, 22, 35, 12, 51, 145, 22, 12, 70, 35, 92, 35, 51, 22, 145, 70, 92, 22, 92, 35, 70, 51, 247, 1162, 117, 51, 35, 176, 715, 117, 35, 70, 145, 247, 477, 51, 92, 92, 176, 330, 330, 247, 51, 117, 70, 247, 51, 247, 330, 145, 1247, 145, 117, 92, 70]

cp's OEIS Frontend

A205140 Least s(k) such that n divides s(k)-s(j) for some j where s(j)=j(3j-1)/2, the j-th pentagonal number.

Table of values

List of values