$m$ $\delta = 2$ $\delta = 3$ $\delta = 4$ $\delta = 5$ $\delta = 6$ $\delta = 7$ 14 21 0 0 0 0 0 15 0 0 0 0 0 0 16 435 294 0 0 0 0 17 0 60 0 0 0 0 18 6182 15788 3577 0 0 0 19 90 5474 1980 0 0 0 20 70068 553997 367647 41853 0 0 21 3812 292924 291922 41200 0 0 22 687658 16142157 24082872 7210887 496629 0 23 82614 11916874 25576056 9212068 711300 0 24 6130948 426057336 1301357573 776466251 132681925 6179866 25 1259920 409182534 - - - - 26 51185656 10605055038 - - - - 27 15500930 12547916024 - - - - 28 408295664 254252978969 - - - - 29 165576770 355652651962 - - - - 30 3154240824 5942906034046 - - - -