Indices of primes in tribonacci sequence A000073.

A303263

Indices of primes in tribonacci sequence A000073.

Terms

    a(0) =4a(1) =6a(2) =7a(3) =11a(4) =87a(5) =98a(6) =215a(7) =802a(8) =4202a(9) =18699a(10) =96879

External references