Indices of primes in sequence defined by A(0) = 61, A(n) = 10*A(n-1) + 31 for n > 0.
A101527
Indices of primes in sequence defined by A(0) = 61, A(n) = 10*A(n-1) + 31 for n > 0.
Terms
- a(0) =0a(1) =1a(2) =6a(3) =18a(4) =24a(5) =36a(6) =48a(7) =132a(8) =612a(9) =1339a(10) =2035a(11) =2490a(12) =26262
External references
- oeis: A101527