471424600185domain: NAppears in sequencesSecond partial sums of 12th powers (A008456).at n=8A253712a(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=12A254147