[1,6,36,222,1446,10116,75924,602256,4958352,
41783046,357442416,3091766904,26991194550,
237605649780,2107693469880,18826297197444,
169203629332230,1529098507275372,
13885733651626548,126641707880226888,
1159483975207373952,10652962589325269040,
98187525261135608400]
|