| 0, 3, 196, 4418, 43320, 257645, 1108828, 3810996, 11105328, 28524615, 66322740, 142270678, 285547496, 541981713, 980925260, 1704069160, 2856536928, 4640618571, 7332534948, 11302649130, 17039568280, 25178606453, 36535105596, 52143138908, 73300147600
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