Number of 3*n X 12 0..1 arrays with row sums 4 and column sums n.
A172570
Number of 3*n X 12 0..1 arrays with row sums 4 and column sums n.
Terms
- a(0) =34650a(1) =154700988750
External references
- oeis: A172570
A172570
Number of 3*n X 12 0..1 arrays with row sums 4 and column sums n.