[1,1,4,25,224,2601,37072,626137,12232320, 271494865,6750538496,185923318329,5619645500416, 184961854976185,6585429015521280, 252203521861645561,10338251689510381568, 451650823526438037153,20949317446607098716160, 1028215744082428119960025]