$m$ $\delta = 2$ $\delta = 3$ $\delta = 4$ $\delta = 5$ $\delta = 6$ $\delta = 7$ 19 31 0 0 0 0 0 20 0 0 0 0 0 0 21 950 589 0 0 0 0 22 0 90 0 0 0 0 23 19572 43593 9052 0 0 0 24 135 11799 3870 0 0 0 25 310483 2034862 - - - - 26 8402 863079 - - - - 27 4101605 76086282 - - - - 28 263039 46261914 - - - - 29 47441197 2495325493 - - - - 30 5618255 2028345509 - - - -