56586600
domain: N
Appears in sequences
- Number of 2n X n (0,1)-matrices with row sums 2 and column sums 4.at n=4A134648
- Number of 2*n X n 0..1 arrays with row sums 3 and column sums 6.at n=4A172553
- Number of 5*n X 10 0..1 arrays with row sums 4 and column sums 2*n.at n=0A172593
- Number of 5*n X 5 0..1 arrays with row sums 2 and column sums 2*n.at n=1A172594