Indices of primes in sequence defined by A(0) = 27, A(n) = 10*A(n-1) + 17 for n > 0.
A101971
Indices of primes in sequence defined by A(0) = 27, A(n) = 10*A(n-1) + 17 for n > 0.
Terms
- a(0) =2a(1) =5a(2) =17a(3) =68a(4) =442a(5) =448a(6) =454a(7) =2458a(8) =4744a(9) =7972a(10) =14248a(11) =31709
External references
- oeis: A101971