A055386 - cp's OEIS frontend

A055386 Smallest factor of (2n)^(2n) + 1.

n	a(n)
1	5
2	257
3	13
4	97
5	101
6	89
7	29
8	274177
9	5
10	148721
11	5
12	17
13	53
14	449
15	17
16	641
17	13
18	17
19	5
20	17
21	5
22	41
23	29
24	769
25	41
26	89
27	13
28	17
29	5
30	17
31	5
32	59649589127497217
33	37
34	41
35	13
36	97
37	149
38	17
39	5
40	15361
41	5
42	1753
43	13
44	17
45	41
46	449
47	1129
48	1153
49	5
50	17
51	5
52	1201
53	17
54	1777
55	89
56	4993
57	41

[5, 257, 13, 97, 101, 89, 29, 274177, 5, 148721, 5, 17, 53, 449, 17, 641, 13, 17, 5, 17, 5, 41, 29, 769, 41, 89, 13, 17, 5, 17, 5, 59649589127497217, 37, 41, 13, 97, 149, 17, 5, 15361, 5, 1753, 13, 17, 41, 449, 1129, 1153, 5, 17, 5, 1201, 17, 1777, 89, 4993, 41]

cp's OEIS Frontend

A055386 Smallest factor of (2n)^(2n) + 1.

Table of values

List of values