A291343 - cp's OEIS frontend

A291343 Numbers k such that k!4 + 2^3 is prime, where k!4 = k!!!! is the quadruple factorial number (A007662).

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	13
7	19
8	23
9	25
10	33
11	39
12	41
13	63
14	67
15	71
16	85
17	87
18	91
19	133
20	171
21	243
22	291
23	1239
24	1543
25	1879
26	2169
27	2421
28	3149
29	3323
30	3377
31	3501
32	3529
33	5433
34	5599
35	7299
36	11227
37	11275
38	13939
39	27147
40	32435
41	86455
42	92105

[3, 5, 7, 9, 11, 13, 19, 23, 25, 33, 39, 41, 63, 67, 71, 85, 87, 91, 133, 171, 243, 291, 1239, 1543, 1879, 2169, 2421, 3149, 3323, 3377, 3501, 3529, 5433, 5599, 7299, 11227, 11275, 13939, 27147, 32435, 86455, 92105]

cp's OEIS Frontend

A291343 Numbers k such that k!4 + 2^3 is prime, where k!4 = k!!!! is the quadruple factorial number (A007662).

Table of values

List of values