Numbers k such that tau(4*(k - 1)) is prime.
A283107
Numbers k such that tau(4*(k - 1)) is prime.
Terms
- a(0) =2a(1) =5a(2) =17a(3) =257a(4) =1025a(5) =16385a(6) =65537a(7) =1048577a(8) =67108865a(9) =268435457a(10) =17179869185a(11) =274877906945
External references
- oeis: A283107