$m$ $\delta = 2$ $\delta = 3$ $\delta = 4$ $\delta = 5$ $\delta = 6$ $\delta = 7$ 15 23 0 0 0 0 0 16 0 0 0 0 0 0 17 522 345 0 0 0 0 18 0 66 0 0 0 0 19 8076 19933 4416 0 0 0 20 99 6547 2310 0 0 0 21 98627 745400 480655 53521 0 0 22 4586 375907 364171 50270 0 0 23 1032001 22931034 33032951 9634685 649014 0 24 108115 16254798 33738607 11851433 896764 0 25 9718849 633875781 - - - - 26 1777443 588573593 - - - - 27 85015672 16413684549 - - - - 28 23343425 18902891979 - - - - 29 705628035 407117163519 - - - - 30 263773508 557778339126 - - - -