Numbers k such that (2^k-1)^k == 1 (mod (2^k+1)*k^2) and 2^(k-1) != 1 (mod k).
A384148
Numbers k such that (2^k-1)^k == 1 (mod (2^k+1)*k^2) and 2^(k-1) != 1 (mod k).
Terms
- a(0) =30457a(1) =33865a(2) =80185a(3) =82621a(4) =86785a(5) =104845a(6) =212401a(7) =250705
External references
- oeis: A384148