A273323 - cp's OEIS frontend

A273323 a(n) = greatest number k <= n^2 having exactly n divisors, or 0 if no such k exists.

n	a(n)
1	1
2	3
3	9
4	15
5	16
6	32
7	0
8	56
9	36
10	80
11	0
12	140
13	0
14	192
15	144
16	216
17	0
18	300
19	0
20	336
21	0
22	0
23	0
24	540
25	0
26	0
27	0
28	0
29	0
30	720
31	0
32	840
33	0
34	0
35	0
36	1260
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0

[1, 3, 9, 15, 16, 32, 0, 56, 36, 80, 0, 140, 0, 192, 144, 216, 0, 300, 0, 336, 0, 0, 0, 540, 0, 0, 0, 0, 0, 720, 0, 840, 0, 0, 0, 1260, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A273323 a(n) = greatest number k <= n^2 having exactly n divisors, or 0 if no such k exists.

Table of values

List of values