-6500

Appears in sequences

• Expansion of Product_{k>=1} (1 - (x*(1 + x))^k).at n=22A309575
• Triangle read by rows. Row n gives the coefficients of Product_{k=0..n-1} (x - binomial(n-1,k)) expanded in decreasing powers of x, with row 0 = {1}.at n=26A355635