A163582 - cp's OEIS frontend

A163582 Smallest pseudoprimes in ascending bases b of the form pq, where p = (b^k - 1) / (b - 1) and q = (b^k + 1) / (b + 1), both prime, with k a prime less than 100.

n	a(n)
2	341
3	597871
4	1010101010101010101010101010101010101
5	432988561
6	584645231109031
7	54989488181
8	48793204382746801501446610630739608190006929723969
9	11694525061301

[341, 597871, 1010101010101010101010101010101010101, 432988561, 584645231109031, 54989488181, 48793204382746801501446610630739608190006929723969, 11694525061301]

cp's OEIS Frontend

A163582 Smallest pseudoprimes in ascending bases b of the form pq, where p = (b^k - 1) / (b - 1) and q = (b^k + 1) / (b + 1), both prime, with k a prime less than 100.

Table of values

List of values