Indices of primes in sequence defined by A(0) = 39, A(n) = 10*A(n-1) - 61 for n > 0.
A101831
Indices of primes in sequence defined by A(0) = 39, A(n) = 10*A(n-1) - 61 for n > 0.
Terms
- a(0) =2a(1) =4a(2) =8a(3) =11a(4) =26a(5) =50a(6) =52a(7) =146a(8) =154a(9) =256a(10) =518a(11) =602a(12) =2884a(13) =9508a(14) =10523a(15) =19649a(16) =32507a(17) =79444a(18) =158908
External references
- oeis: A101831