$m$ $\delta = 2$ $\delta = 3$ $\delta = 4$ $\delta = 5$ $\delta = 6$ $\delta = 7$ 19 31 0 0 0 0 0 20 0 0 0 0 0 0 21 1062 645 0 0 0 0 22 0 180 0 0 0 0 23 25004 53691 10900 0 0 0 24 388 25834 8244 0 0 0 25 448359 2797164 - - - - 26 26024 2061814 - - - - 27 6570593 115151478 - - - - 28 871888 119441314 - - - - 29 82820669 4108450397 - - - - 30 19766424 5605767956 - - - -