Indices of primes in sequence defined by A(0) = 51, A(n) = 10*A(n-1) + 61 for n > 0.

A101584

Indices of primes in sequence defined by A(0) = 51, A(n) = 10*A(n-1) + 61 for n > 0.

Terms

    a(0) =1a(1) =5a(2) =8a(3) =26a(4) =29a(5) =47a(6) =140a(7) =149a(8) =371a(9) =421a(10) =1096a(11) =3569a(12) =4606a(13) =5288a(14) =10733a(15) =11549a(16) =32603a(17) =42469a(18) =46310a(19) =67577

External references