-2793

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^15 in powers of x.at n=5A047640
• Irregular triangle read by rows: coefficients of Olinde Rodrigues recursive polynomial for inversions of permutations applied to Bonnaci type polynomials: x - 1, x^2 - x - 1, x^3 - x^2 - x - 1, etc.at n=68A133333