3916800domain: NAppears in sequencesMolecular topological indices of the lattice graphs.at n=15A192832Number of (n+2) X 3 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=26A202093Number of (n+1)X(2+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=27A250426