3677632

Appears in sequences

• Exponential Riordan array (e^(mx),x*A000108(x)), m=2.at n=39A185947
• Number of (n+1) X (n+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).at n=9A235290
• Number of (n+1) X (10+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).at n=9A235300