505725

Appears in sequences

• Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 15.at n=2A154094
• Number of (n+2) X (n+2) binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.at n=3A202890
• Number of (n+2)X6 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.at n=3A202894
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.at n=24A202898