787943896860domain: NAppears in sequencesSecond partial sums of 13th powers (A010801).at n=7A253713a(n) = 1*8^n + 2*7^n + 3*6^n + 4*5^n + 5*4^n + 6*3^n + 7*2^n + 8*1^n.at n=13A254146