976896domain: NAppears in sequencesa(n) = self-convolution of row n of array T given by A027157.at n=7A027169Expansion of x*(16*x^6+20*x^4-32*x^3+24*x^2-8*x+1) / ((-1+2*x)^2*(2*x^2-4*x+1)^2).at n=11A294452