A181815 - cp's OEIS frontend

A181815 a(n) = largest integer such that, when any of its divisors divides A025487(n), the quotient is a member of A025487.

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	6
7	16
8	12
9	5
10	32
11	9
12	24
13	10
14	64
15	18
16	48
17	20
18	128
19	36
20	15
21	96
22	7
23	27
24	40
25	256
26	72
27	30
28	192
29	14
30	54
31	80
32	512
33	144
34	60
35	384
36	28
37	108
38	25
39	160
40	1024
41	45
42	288
43	21
44	81
45	120
46	768
47	56
48	216
49	50
50	320
51	2048
52	90
53	576
54	11
55	42
56	162
57	240
58	1536
59	112
60	432
61	100
62	640
63	4096
64	180
65	1152

[1, 2, 4, 3, 8, 6, 16, 12, 5, 32, 9, 24, 10, 64, 18, 48, 20, 128, 36, 15, 96, 7, 27, 40, 256, 72, 30, 192, 14, 54, 80, 512, 144, 60, 384, 28, 108, 25, 160, 1024, 45, 288, 21, 81, 120, 768, 56, 216, 50, 320, 2048, 90, 576, 11, 42, 162, 240, 1536, 112, 432, 100, 640, 4096, 180, 1152]

cp's OEIS Frontend

A181815 a(n) = largest integer such that, when any of its divisors divides A025487(n), the quotient is a member of A025487.

Table of values

List of values