Numbers n such that (x^n-1/x^n)/(x-1/x) is prime, where x = sqrt(3) + sqrt(2).
A158878
Numbers n such that (x^n-1/x^n)/(x-1/x) is prime, where x = sqrt(3) + sqrt(2).
Terms
- a(0) =3a(1) =5a(2) =37a(3) =41a(4) =43a(5) =59a(6) =71a(7) =113a(8) =181a(9) =293a(10) =383a(11) =421a(12) =1109a(13) =1187a(14) =1997a(15) =3109a(16) =4889a(17) =5581a(18) =67961a(19) =74843
External references
- oeis: A158878