Indices of primes in sequence defined by A(0) = 49, A(n) = 10*A(n-1) - 51 for n > 0.
A101725
Indices of primes in sequence defined by A(0) = 49, A(n) = 10*A(n-1) - 51 for n > 0.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =10a(4) =14a(5) =25a(6) =27a(7) =50a(8) =149a(9) =181a(10) =227a(11) =406a(12) =637a(13) =3580a(14) =4124a(15) =4982a(16) =5665a(17) =15889a(18) =27742a(19) =43361a(20) =55366a(21) =60743a(22) =73700
External references
- oeis: A101725