[1,2,4,10,32,112,424,1808,8320,40384,210944,
1170688,6783616,41411840,265451008,1765520128,
12227526656,88163295232,656548065280,
5054719287296,40261285543936,330010835894272,
2783003772452864,24166721466204160,
215318925894909952,1966855934183800832]
|