A331813 - cp's OEIS frontend

A331813 a(n) is the least k > 1 such that k*A019278(n) belongs to A019278 too, or a(n) = 0 if no such k exists.

n	a(n)
1	2
2	2
3	2
4	2
5	4
6	4
7	2
8	7
9	2
10	4
11	8
12	2
13	3
14	2
15	2
16	4
17	2
18	64
19	3
20	64
21	4
22	8
23	7
24	4
25	15
26	3
27	50
28	2
29	2
30	50
31	2
32	7
33	29184
34	2
35	16
36	64
37	4
38	16
39	4
40	385
41	15
42	9
43	313600
44	2
45	4
46	2793
47	4199
48	2
49	4
50	57600

[2, 2, 2, 2, 4, 4, 2, 7, 2, 4, 8, 2, 3, 2, 2, 4, 2, 64, 3, 64, 4, 8, 7, 4, 15, 3, 50, 2, 2, 50, 2, 7, 29184, 2, 16, 64, 4, 16, 4, 385, 15, 9, 313600, 2, 4, 2793, 4199, 2, 4, 57600]

cp's OEIS Frontend

A331813 a(n) is the least k > 1 such that k*A019278(n) belongs to A019278 too, or a(n) = 0 if no such k exists.

Table of values

List of values