A333390 - cp's OEIS frontend

A333390 Numbers k such that (2k)# 2^k - 1 is prime.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	17
8	22
9	26
10	28
11	30
12	50
13	120
14	186
15	215
16	246
17	323
18	1021
19	1160
20	1404
21	1431
22	1461
23	1786
24	2317
25	2960
26	4484
27	4613
28	5192
29	5345
30	6518
31	6865
32	9951
33	14493
34	14798
35	16653
36	17372

[1, 2, 3, 4, 5, 12, 17, 22, 26, 28, 30, 50, 120, 186, 215, 246, 323, 1021, 1160, 1404, 1431, 1461, 1786, 2317, 2960, 4484, 4613, 5192, 5345, 6518, 6865, 9951, 14493, 14798, 16653, 17372]

cp's OEIS Frontend

A333390 Numbers k such that (2k)# 2^k - 1 is prime.

Table of values

List of values

cp's OEIS Frontend

A333390 Numbers k such that (2*k)# * 2^k - 1 is prime.

Table of values

List of values

A333390 Numbers k such that (2k)# 2^k - 1 is prime.