|
3 vuotta sitten | |
---|---|---|
.. | ||
Least k such that sum of (k over prime(k))^n first exceeds 1 | 3 vuotta sitten | |
Least positive k such that n*k^k - 1 is a prime | 3 vuotta sitten | |
Numbers such that both their ternary and Zeckendorf representations are palindromic | 3 vuotta sitten |