a(n) is the least positive integer b such that b^(2^n) + (b-1)^(2^n) is prime.
A253633
a(n) is the least positive integer b such that b^(2^n) + (b-1)^(2^n) is prime.
Terms
- a(0) =2a(1) =2a(2) =2a(3) =2a(4) =2a(5) =9a(6) =96a(7) =32a(8) =86a(9) =60a(10) =1079a(11) =755a(12) =312a(13) =3509a(14) =1829a(15) =49958a(16) =22845
External references
- oeis: A253633