[1,1,6,19,92,380,1858,8531,42322,205486,1036242,
5197028,26600656,136247450,706258300,3671453391,
19233967034,101105026444,534364343102,
2833591923458,15087564248648,80576221523390,
431730827926256,2319409832695016,
12494373170976880,67463786953484884,
365108831177564780]
|