Number of 2n X 2n 0-1 matrices with n ones in each row and each column.
A058527
Number of 2n X 2n 0-1 matrices with n ones in each row and each column.
Terms
- a(0) =1a(1) =2a(2) =90a(3) =297200a(4) =116963796250
External references
- oeis: A058527
A058527
Number of 2n X 2n 0-1 matrices with n ones in each row and each column.