4405969

Appears in sequences

• Expansion of (5 + 3*x + x^2 - x^3) / (1 - 2*x - 2*x^2 - 2*x^3 + x^4) in powers of x.at n=13A071100
• Small-number statistic from the enumeration of domino tilings of a 3-pillow of order n.at n=28A112835
• Expansion of x * (1 + x) * (1 - x^2) * (1 + x^3) / (1 - 2*x^2 - 2*x^4 - 2*x^6 + x^8) in powers of x.at n=31A206625