246928domain: NAppears in sequencesa(n) = (2*(1 + n + (((10^n-1)/9) - n)/9)).at n=7A036544a(n) = 12167*n - 8579.at n=20A156845Rounded sums of the non-integer cube roots of n, as partitioned by the integer roots: round(Sum_{j=n^3+1..(n+1)^3-1} j^(1/3)).at n=43A248575