Number of possible chess diagrams after n plies.

A019319

Number of possible chess diagrams after n plies.

Terms

    a(0) =1a(1) =20a(2) =400a(3) =5362a(4) =71852a(5) =815677a(6) =9260610a(7) =94305342a(8) =958605819a(9) =8866424380a(10) =81766238574a(11) =692390232505

External references