A124256 a(n) = n^2 - A124255(n).

2, 4, 3, 8, 2, 8, 3, 7, 3, 8, 7, 12, 2, 4, 6, 8, 7, 8, 3, 8, 2, 8, 7, 8, 2, 4, 6, 12, 2, 8, 3, 7, 2, 8, 7, 8, 11, 4, 3, 12, 2, 24, 3, 7, 3, 12, 7, 8, 2, 7, 3, 8, 7, 20, 3, 7, 2, 12, 7, 12, 2, 4, 3, 8, 7, 8, 3, 7, 11, 20, 19, 8, 3, 7, 6, 12, 2, 12, 3, 7, 2, 20, 11, 12, 2, 4, 3, 8, 2, 8, 3, 7, 11, 12, 7, 12