Number of arrangements of n bishops such that every square of the board is controlled by at least one bishop.

A182333

Number of arrangements of n bishops such that every square of the board is controlled by at least one bishop.

Terms

    a(0) =1a(1) =4a(2) =6a(3) =25a(4) =104a(5) =484a(6) =2136a(7) =11664a(8) =71136a(9) =451584a(10) =3006720a(11) =21902400a(12) =176774400a(13) =1456185600a(14) =12758860800a(15) =117456998400

External references