116963796250
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) (n >= 0, 0 <= k <= n) gives number of {0,1} n X n matrices with all row and column sums equal to k.at n=40A008300
- Number of 2n X 2n 0-1 matrices with n ones in each row and each column.at n=4A058527
- Number of n X n (0,1) matrices with all column and row sums equal to 4.at n=8A058528
- Number of 2*n X 8 binary arrays with row sums 4 and column sums n.at n=4A172555
- Array read by antidiagonals: T(n,k) is the number of 2*n X 2*k binary matrices with all row sums k and column sums n.at n=40A376935