A175309 - cp's OEIS frontend

A175309 a(n) = the smallest prime prime(k) such that prime(k+j) - prime(k+j-1) = prime(n+k+1-j) - prime(n+k-j) for all j with 1 <= j <= n.

n	a(n)
1	2
2	3
3	5
4	18713
5	5
6	683747
7	17
8	98303867
9	13
10	60335249851
11	137
12	1169769749111
13	8021749
14	3945769040698829
15	1071065111
16	159067808851610411
17	1613902553
18	6919940122097246303
19	1797595814863

[2, 3, 5, 18713, 5, 683747, 17, 98303867, 13, 60335249851, 137, 1169769749111, 8021749, 3945769040698829, 1071065111, 159067808851610411, 1613902553, 6919940122097246303, 1797595814863]

cp's OEIS Frontend

A175309 a(n) = the smallest prime prime(k) such that prime(k+j) - prime(k+j-1) = prime(n+k+1-j) - prime(n+k-j) for all j with 1 <= j <= n.

Table of values

List of values