Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) + 81 for n > 0.

A101154

Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) + 81 for n > 0.

Terms

    a(0) =0a(1) =4a(2) =10a(3) =11a(4) =16a(5) =27a(6) =45a(7) =47a(8) =60a(9) =72a(10) =137a(11) =177a(12) =212a(13) =404a(14) =761a(15) =1052a(16) =1156a(17) =1426a(18) =2864a(19) =3147a(20) =3614a(21) =13446a(22) =48080

External references