Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 3 for n > 0. Numbers n such that (690*10^n + 3)/9 is prime.
A056260
Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 3 for n > 0. Numbers n such that (690*10^n + 3)/9 is prime.
Terms
- a(0) =3a(1) =5a(2) =53a(3) =95a(4) =453a(5) =573a(6) =3383a(7) =11439a(8) =12623a(9) =19445a(10) =35459a(11) =81213a(12) =95325
External references
- oeis: A056260