Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 13 for n > 0.

A056259

Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 13 for n > 0.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =19a(4) =21a(5) =57a(6) =73a(7) =81a(8) =207a(9) =349a(10) =421a(11) =3811a(12) =3981a(13) =20923a(14) =23785a(15) =38851a(16) =56041a(17) =68503a(18) =74433a(19) =205509

External references