Indices of primes in sequence defined by A(0) = 17, A(n) = 10*A(n-1) + 27 for n > 0.

A102034

Indices of primes in sequence defined by A(0) = 17, A(n) = 10*A(n-1) + 27 for n > 0.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =12a(5) =13a(6) =75a(7) =236a(8) =871a(9) =987a(10) =1279a(11) =1369a(12) =2685a(13) =3611a(14) =4050a(15) =4644a(16) =9161a(17) =10855a(18) =25958a(19) =64881a(20) =144219a(21) =153745a(22) =185929

External references