351576domain: NAppears in sequencesa(n) = n*(2*n^2 + 1)*(n^2 + 1)/6.at n=15A052459a(n) = (15*n^4 + 22*n^3 + 45*n^2 + 14*n) / 24.at n=27A101166Floor of sums of the squares of the non-integer cube roots of n, as partitioned by the integer roots: floor(Sum_{j=n^3+1..(n+1)^3-1} j^(2/3)).at n=18A248621