557184

Appears in sequences

• Expansion of x*(1-x)^2/( (1-2*x^2)*(1-2*x)^2).at n=16A178945
• Binomial(2p-1,p-1) modulo p^4, with p=prime(n).at n=11A242473
• a(n) = ((2^n*n + i*(1 - i)^n - i*(1 + i)^n))/4, where i is the imaginary unit.at n=17A323225