$m$ $\delta = 2$ $\delta = 3$ $\delta = 4$ $\delta = 5$ $\delta = 6$ $\delta = 7$ 24 41 0 0 0 0 0 25 0 0 - - - - 26 1665 984 - - - - 27 0 120 - - - - 28 45162 92698 - - - - 29 180 20524 - - - - 30 930548 5407952 - - - -