-53999

Appears in sequences

• Expansion of 1/(1-2*x+x^2+x^3).at n=28A077941
• Expansion of 1 / (1 + x^2 - x^3) in powers of x.at n=59A077961
• Expansion of 1/(1 + 2*x + x^2 - x^3).at n=28A077990