170184

Appears in sequences

• Number of 2:3:sqrt(13) proportioned triangles on a (n+1)X(n+1) grid.at n=32A190112
• Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically.at n=6A253453
• Number of (n+1) X (7+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically.at n=4A253455