Number of possible chess games at the end of the n-th ply starting without queens.

A285873

Number of possible chess games at the end of the n-th ply starting without queens.

Terms

    a(0) =1a(1) =21a(2) =441a(3) =9872a(4) =220447a(5) =5247292a(6) =124278971a(7) =3113440755a(8) =77520962327

External references