235988

Appears in sequences

• Triangle T(n,k) read by rows: the coefficient [x^k] of the product_{s=1..n} (x+64*cos(s*Pi/(2n+1))^6), 0<=k<=n.at n=51A179838
• Expansion of Product_{k>=1} 1/(1 - x^(2*k-1))^(k*(3*k+1)/2).at n=19A294668