3rd diagonal of triangle in A255494.

A255496

3rd diagonal of triangle in A255494.

Terms

    a(0) =1a(1) =38a(2) =1106a(3) =26544a(4) =567203a(5) =11179686a(6) =207768576a(7) =3692419776a(8) =63361188037

External references