-25840

Appears in sequences

• Expansion of Product_{k>=1} 1/(1+x^(2*k-1))^(2*k-1).at n=25A284628
• Triangular array read by rows: row n shows the coefficients of this polynomial of degree n: (1/n!)*(numerator of n-th derivative of 1/(1-3x+x^2)).at n=46A328645