Indices of primes in sequence defined by A(0) = 23, A(n) = 10*A(n-1) + 13 for n > 0.

A101958

Indices of primes in sequence defined by A(0) = 23, A(n) = 10*A(n-1) + 13 for n > 0.

Terms

    a(0) =0a(1) =3a(2) =6a(3) =11a(4) =29a(5) =93a(6) =177a(7) =195a(8) =563a(9) =1800a(10) =3519a(11) =3537a(12) =8232a(13) =35160a(14) =37404a(15) =42329a(16) =70050a(17) =90791a(18) =124095a(19) =152669

External references