A235714 - cp's OEIS frontend

A235714 Consider N = numerator( 1/p! + 1/q! ) where p = prime(n), q = prime(n+1) for n = 1,2,3,.... Append N to sequence if it is a prime.

n	a(n)
1	2
2	7
3	43
4	157
5	7
6	72775847
7	139
8	523
9	751
10	193
11	19183
12	22651
13	140165120353
14	1051
15	37057
16	433
17	7459
18	8263
19	19248899859613286187907
20	1564207235629
21	10453
22	877
23	1993
24	45183625504351
25	121453
26	89248200525047
27	1505879629

[2, 7, 43, 157, 7, 72775847, 139, 523, 751, 193, 19183, 22651, 140165120353, 1051, 37057, 433, 7459, 8263, 19248899859613286187907, 1564207235629, 10453, 877, 1993, 45183625504351, 121453, 89248200525047, 1505879629]

cp's OEIS Frontend

A235714 Consider N = numerator( 1/p! + 1/q! ) where p = prime(n), q = prime(n+1) for n = 1,2,3,.... Append N to sequence if it is a prime.

Table of values

List of values