Composite numbers k such that binomial(3*k, k) == 3^k (mod k).
A080469
Composite numbers k such that binomial(3*k, k) == 3^k (mod k).
Terms
- a(0) =36a(1) =57a(2) =121a(3) =132a(4) =552a(5) =8397a(6) =7000713a(7) =9692541a(8) =36294723a(9) =564033861a(10) =11525933961
External references
- oeis: A080469