Triangle read by rows: T(n,k) = number of rook patterns on n X n board where bottom rook is in column k.
A259697
Triangle read by rows: T(n,k) = number of rook patterns on n X n board where bottom rook is in column k.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =1a(7) =4a(8) =5a(9) =5a(10) =1a(11) =9a(12) =12a(13) =15a(14) =15a(15) =1a(16) =24a(17) =32a(18) =42a(19) =52a(20) =52a(21) =1a(22) =76a(23) =99a(24) =129a(25) =166a(26) =203a(27) =203a(28) =1a(29) =279
External references
- oeis: A259697