Maximal m such that n^n-m and n^n+m are both primes, or -1 if there is no such m.
A075469
Maximal m such that n^n-m and n^n+m are both primes, or -1 if there is no such m.
Terms
- a(0) =1a(1) =20a(2) =253a(3) =3122a(4) =46651a(5) =823540a(6) =16777155a(7) =387420478a(8) =9999999939a(9) =285311670528
External references
- oeis: A075469