176160768

Appears in sequences

• Expansion of (1-3x+4x^2-3x^3+x^4)/(1-2x)^2.at n=25A084861
• a(n) = 21*2^n.at n=23A175805
• Expansion of (1 + 2*x)^2/(1 - 2*x)^2.at n=21A241204
• Denominators of coefficients in the asymptotic expansion of the logarithm of the central binomial coefficient.at n=10A275995