56214660117domain: NAppears in sequencesSecond partial sums of 11th powers (A008455).at n=8A253711a(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=11A254147