A291349 - cp's OEIS frontend

A291349 Numbers k such that k!4 + 2^8 is prime, where k!4 = k!!!! is the quadruple factorial number (A007662).

n	a(n)
1	1
2	7
3	11
4	31
5	57
6	73
7	97
8	105
9	209
10	245
11	403
12	545
13	917
14	953
15	1177
16	1239
17	1283
18	1627
19	2465
20	3701
21	4479
22	4637
23	6349
24	7983
25	11155
26	13595
27	15547
28	17031
29	17609
30	24087
31	24707
32	39773
33	40407
34	63329

[1, 7, 11, 31, 57, 73, 97, 105, 209, 245, 403, 545, 917, 953, 1177, 1239, 1283, 1627, 2465, 3701, 4479, 4637, 6349, 7983, 11155, 13595, 15547, 17031, 17609, 24087, 24707, 39773, 40407, 63329]

cp's OEIS Frontend

A291349 Numbers k such that k!4 + 2^8 is prime, where k!4 = k!!!! is the quadruple factorial number (A007662).

Table of values

List of values