[1,3,18,162,1728,20169,249318,3207600,42500700, 576012060,7947785448,111269613006,1576658688480, 22568473199358,325855352769588,4740157737123696, 69405108247439676,1022070746845708740, 15127922880893671704,224931239520535651464]