44739241domain: NAppears in sequencesa(n) = (8*2^n-5*(-1)^n)/3.at n=24A083582a(n) = (8*4^n - 5)/3.at n=12A083584Expansion of x*(1+2*x)/((1+x)*(1-x)*(1-2*x)).at n=25A084639Expansion of (1-x+2*x^2)/((1-x)*(1-x-2*x^2)).at n=25A097074Expansion of x^3 / ((x-1)*(2*x-1)*(x^2-x+1)).at n=27A111927Binomial transform of A101000.at n=25A130624