358198369domain: NAppears in sequencesNumber of n X 3 0..2 arrays with row sums 3 and column sums n.at n=12A172634Number of n X 12 0..2 arrays with row sums 12 and column sums n.at n=2A172640Number of 4*n X n 0..2 arrays with row sums 3 and column sums 12.at n=2A172680Duplicate of A172634.at n=12A208446