Indices of primes in sequence defined by A(0) = 11, A(n) = 10*A(n-1) + 81 for n > 0.
A056250
Indices of primes in sequence defined by A(0) = 11, A(n) = 10*A(n-1) + 81 for n > 0.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =7a(4) =39a(5) =85a(6) =199a(7) =729a(8) =1459a(9) =23671a(10) =28629
External references
- oeis: A056250