Indices of primes in sequence defined by A(0) = 91, A(n) = 10*A(n-1) + 31 for n > 0.
A101006
Indices of primes in sequence defined by A(0) = 91, A(n) = 10*A(n-1) + 31 for n > 0.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =2959a(4) =4570a(5) =5200a(6) =17863a(7) =21921a(8) =89374a(9) =147675
External references
- oeis: A101006