The number of possible ways in which 2*n^2 black pawns and 2*n^2 white pawns can be arranged on a 2n X 2n chessboard such that no pawn attacks another.
A294240
The number of possible ways in which 2*n^2 black pawns and 2*n^2 white pawns can be arranged on a 2n X 2n chessboard such that no pawn attacks another.
Terms
- a(0) =1a(1) =3a(2) =30a(3) =410a(4) =6148a(5) =96120a(6) =1526700a(7) =24425026a(8) =392143828a(9) =6306613690a(10) =101505099104
External references
- oeis: A294240