A279623 - cp's OEIS frontend

A279623 a(n) = smallest prime factor of n-th Bell number, or 1 if there are none.

n	a(n)
0	1
1	1
2	2
3	5
4	3
5	2
6	7
7	877
8	2
9	3
10	5
11	2
12	37
13	27644437
14	2
15	5
16	241
17	2
18	7
19	271
20	2
21	3
22	3
23	2
24	3
25	13
26	2
27	47
28	5
29	2
30	3
31	11
32	2
33	5694673
34	3
35	2
36	29
37	3
38	2
39	6353
40	3221
41	2
42	35742549198872617291353508656626642567
43	3
44	2
45	5
46	5
47	2
48	3
49	7615441337805454611187
50	2

[1, 1, 2, 5, 3, 2, 7, 877, 2, 3, 5, 2, 37, 27644437, 2, 5, 241, 2, 7, 271, 2, 3, 3, 2, 3, 13, 2, 47, 5, 2, 3, 11, 2, 5694673, 3, 2, 29, 3, 2, 6353, 3221, 2, 35742549198872617291353508656626642567, 3, 2, 5, 5, 2, 3, 7615441337805454611187, 2]

cp's OEIS Frontend

A279623 a(n) = smallest prime factor of n-th Bell number, or 1 if there are none.

Table of values

List of values