769065

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^21 in powers of x.at n=14A047646
• Expansion of (-3*x^3 - 7*x^2 + 2*x)/((1-4*x-x^2)*(1-4*x+x^2)).at n=10A106851