A242016 - cp's OEIS frontend

A242016 Smallest prime factor of A135972(n), the n-th composite Mersenne number.

n	a(n)
1	3
2	3
3	3
4	7
5	3
6	23
7	3
8	3
9	7
10	3
11	3
12	3
13	7
14	3
15	47
16	3
17	31
18	3
19	7
20	3
21	233
22	3
23	3
24	7
25	3
26	31
27	3
28	223
29	3
30	7
31	3
32	13367
33	3
34	431
35	3
36	7
37	3
38	2351
39	3
40	127
41	3
42	7
43	3
44	6361
45	3
46	23
47	3
48	7
49	3
50	179951
51	3
52	3
53	7
54	3
55	31
56	3
57	193707721
58	3
59	7
60	3

[3, 3, 3, 7, 3, 23, 3, 3, 7, 3, 3, 3, 7, 3, 47, 3, 31, 3, 7, 3, 233, 3, 3, 7, 3, 31, 3, 223, 3, 7, 3, 13367, 3, 431, 3, 7, 3, 2351, 3, 127, 3, 7, 3, 6361, 3, 23, 3, 7, 3, 179951, 3, 3, 7, 3, 31, 3, 193707721, 3, 7, 3]

cp's OEIS Frontend

A242016 Smallest prime factor of A135972(n), the n-th composite Mersenne number.

Table of values

List of values