341249

Appears in sequences

• Number of n X 4 binary arrays with top left value 1 and no two ones adjacent horizontally or vertically.at n=7A228386
• Expansion of (x^5-2*x^4+2*x^3-x+1)/(x^4-2*x^3+3*x^2-3*x+1).at n=22A271827