Least number k such that 4*(k*(2^p-1))^2 + 1 is prime where 2^p-1 is a Mersenne prime (p in A000043).
A132192
Least number k such that 4*(k*(2^p-1))^2 + 1 is prime where 2^p-1 is a Mersenne prime (p in A000043).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =40a(5) =17a(6) =4a(7) =6a(8) =47a(9) =48a(10) =334a(11) =99a(12) =585a(13) =19a(14) =350a(15) =1201a(16) =197a(17) =3577a(18) =2020a(19) =870a(20) =2322a(21) =4488a(22) =6150a(23) =12397a(24) =7817
External references
- oeis: A132192