|
6 kuukautta sitten | |
---|---|---|
.. | ||
Least k such that k * M(n) * M(n+1) + 1 is prime where M(n) = A000668(n) | 6 kuukautta sitten | |
Least k such that prime(k)*2^(10^n) -1 is prime | 3 vuotta sitten | |
Least prime p such that p^(2*prime(n))-p^prime(n)-1 is prime | 3 vuotta sitten |