A278240 - cp's OEIS frontend

A278240 Least number with the prime signature of 2^n - 1.

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	12
7	2
8	30
9	6
10	30
11	6
12	420
13	2
14	30
15	30
16	210
17	2
18	840
19	2
20	4620
21	60
22	210
23	6
24	60060
25	30
26	30
27	30
28	30030
29	30
30	60060
31	2
32	2310
33	210
34	30
35	210
36	38798760
37	6
38	30
39	210
40	1021020
41	6
42	180180
43	30
44	510510
45	30030
46	210
47	30
48	446185740
49	6
50	510510
51	2310
52	510510
53	30
54	240240
55	30030
56	9699690
57	210
58	30030
59	6
60	1203362940780
61	2
62	30
63	60060
64	510510
65	30
66	19399380
67	6
68	510510
69	210

[1, 2, 2, 6, 2, 12, 2, 30, 6, 30, 6, 420, 2, 30, 30, 210, 2, 840, 2, 4620, 60, 210, 6, 60060, 30, 30, 30, 30030, 30, 60060, 2, 2310, 210, 30, 210, 38798760, 6, 30, 210, 1021020, 6, 180180, 30, 510510, 30030, 210, 30, 446185740, 6, 510510, 2310, 510510, 30, 240240, 30030, 9699690, 210, 30030, 6, 1203362940780, 2, 30, 60060, 510510, 30, 19399380, 6, 510510, 210]

cp's OEIS Frontend

A278240 Least number with the prime signature of 2^n - 1.

Table of values

List of values