A004999, Sums of two nonnegative cubes: 100,000 terms decomposed as a(n) = k·L + d; 49.93 % in the level class (k > L), 50.07 % in the weight class. 5,360 different gaps occur, from 1 to 16,955; the level share is 49.93 %; 1.3 % of terms are forced level (l <= d^2); 6 terms do not decompose.