Array read by antidiagonals: T(n,k) is the number of ways to place k nonattacking knights on an n X k board.

A390160

Array read by antidiagonals: T(n,k) is the number of ways to place k nonattacking knights on an n X k board.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =6a(5) =3a(6) =1a(7) =12a(8) =13a(9) =4a(10) =1a(11) =16a(12) =36a(13) =24a(14) =5a(15) =1a(16) =28a(17) =84a(18) =100a(19) =39a(20) =6a(21) =1a(22) =58a(23) =259a(24) =412a(25) =233a(26) =58a(27) =7a(28) =1a(29) =78

External references