346716domain: NAppears in sequencesa(n+5) = (-8 + 5*n)*a(n-1) + (72 - 20*n)*a(n) + (-146 + 21*n)*a(n+1) + (128 - 8*n)*a(n+2) + (-56 + n)*a(n+3) + 12*a(n+4).at n=7A130592