485138

Appears in sequences

• Expansion of (1-x)/(1 - 3*x - 2*x^2 + 2*x^3).at n=11A052543
• Number of 2 X n 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=10A231247