Numbers k such that (2^67 - 1) * 10^k + (2^257 - 1) is prime.
A119650
Numbers k such that (2^67 - 1) * 10^k + (2^257 - 1) is prime.
Terms
- a(0) =42a(1) =62a(2) =146a(3) =210a(4) =936a(5) =1490a(6) =7932a(7) =25220a(8) =25352a(9) =37610a(10) =39282a(11) =44792
External references
- oeis: A119650