104035

Appears in sequences

• Expansion of (sqrt(1-2x+7x^2-6x^3+5x^4)-(1-x+x^2))/(2x^2(1-x+x^2)).at n=19A178114
• Number of n X 5 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops or left turns.at n=7A221784