A243078 - cp's OEIS frontend

A243078 Numbers k such that k!3 - 3^2 is prime, where k!3 = k!!! is a triple factorial number (A007661).

n	a(n)
1	7
2	8
3	10
4	13
5	16
6	17
7	20
8	23
9	28
10	29
11	32
12	43
13	46
14	47
15	53
16	56
17	59
18	61
19	76
20	95
21	107
22	139
23	148
24	218
25	349
26	764
27	1009
28	1130
29	1183
30	1429
31	1516
32	2072
33	2471
34	4937
35	10204
36	13993
37	16249
38	18166
39	25733
40	29033
41	40090

[7, 8, 10, 13, 16, 17, 20, 23, 28, 29, 32, 43, 46, 47, 53, 56, 59, 61, 76, 95, 107, 139, 148, 218, 349, 764, 1009, 1130, 1183, 1429, 1516, 2072, 2471, 4937, 10204, 13993, 16249, 18166, 25733, 29033, 40090]

cp's OEIS Frontend

A243078 Numbers k such that k!3 - 3^2 is prime, where k!3 = k!!! is a triple factorial number (A007661).

Table of values

List of values