Numbers n such that (9^n - 2^n)/7 is prime.
A173718
Numbers n such that (9^n - 2^n)/7 is prime.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =13a(4) =29a(5) =37a(6) =1021a(7) =1399a(8) =2137a(9) =4493a(10) =5521a(11) =108553a(12) =200807
External references
- oeis: A173718