Indices of primes in sequence defined by A(0) = 11, A(n) = 10*A(n-1) + 31 for n > 0.

A056245

Indices of primes in sequence defined by A(0) = 11, A(n) = 10*A(n-1) + 31 for n > 0.

Terms

    a(0) =0a(1) =5a(2) =65a(3) =1253a(4) =8405a(5) =67037

External references