41514583320
domain: N
Appears in sequences
- Number of n X n matrices with nonnegative entries and every row and column sum 2.at n=9A000681
- Number of 9 X 9 stochastic matrices of integers.at n=2A160319
- Number of n X n 0..2 arrays with row sums 16 and column sums 16.at n=8A172631
- Number of 9*n X 9 0..2 arrays with row sums 2 and column sums 2*n.at n=0A172721