A064819 - cp's OEIS frontend

A064819 a(n) = p(1)p(2)...*p(n) - p(n+1)^2, where p(i) = i-th prime.

n	a(n)
1	-7
2	-19
3	-19
4	89
5	2141
6	29741
7	510149
8	9699161
9	223092029
10	6469692269
11	200560488761
12	7420738133129
13	304250263525361
14	13082761331667821
15	614889782588488601
16	32589158477190041249
17	1922760350154212635349
18	117288381359406970978781

[-7, -19, -19, 89, 2141, 29741, 510149, 9699161, 223092029, 6469692269, 200560488761, 7420738133129, 304250263525361, 13082761331667821, 614889782588488601, 32589158477190041249, 1922760350154212635349, 117288381359406970978781]

cp's OEIS Frontend

A064819 a(n) = p(1)p(2)...*p(n) - p(n+1)^2, where p(i) = i-th prime.

Table of values

List of values

cp's OEIS Frontend

A064819 a(n) = p(1)*p(2)*...*p(n) - p(n+1)^2, where p(i) = i-th prime.

Table of values

List of values

A064819 a(n) = p(1)p(2)...*p(n) - p(n+1)^2, where p(i) = i-th prime.