A096180 - cp's OEIS frontend

A096180 Triangle read by rows: fraction of integers having k of the first n positive integers as divisors is T(n,k)/A003418(n).

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	1
7	4
8	4
9	3
10	1
11	16
12	20
13	16
14	7
15	1
16	16
17	20
18	12
19	6
20	5
21	1
22	96
23	136
24	92
25	48
26	36
27	11
28	1
29	192
30	272
31	136
32	124
33	66
34	38
35	11
36	1
37	576
38	720
39	464
40	360
41	206
42	122
43	58
44	13
45	1
46	576
47	720
48	392
49	384
50	188
51	154
52	70
53	26
54	9
55	1
56	5760
57	7776
58	4640
59	4232
60	2264
61	1728
62	854
63	330
64	116
65	19

[1, 1, 1, 2, 3, 1, 4, 4, 3, 1, 16, 20, 16, 7, 1, 16, 20, 12, 6, 5, 1, 96, 136, 92, 48, 36, 11, 1, 192, 272, 136, 124, 66, 38, 11, 1, 576, 720, 464, 360, 206, 122, 58, 13, 1, 576, 720, 392, 384, 188, 154, 70, 26, 9, 1, 5760, 7776, 4640, 4232, 2264, 1728, 854, 330, 116, 19]

cp's OEIS Frontend

A096180 Triangle read by rows: fraction of integers having k of the first n positive integers as divisors is T(n,k)/A003418(n).

Table of values

List of values