103008345domain: NAppears in sequencesSecond partial sums of eighth powers (A001016).at n=8A253636a(n) = 1*9^n + 2*8^n + 3*7^n + 4*6^n + 5*5^n + 6*4^n + 7*3^n + 8*2^n + 9*1^n.at n=8A254147