[1,1,2,6,22,85,355,1492,6556,29052,132014,603615,
2800177,13051694,61391948,289880238,1377164008,
6563043266,31411893330,150726168692,725525043255,
3499672398571,16921628973465,81962306917461,
397740786993856,1932949695762718,9407939072108970,
45846319524570560]
|