[0,1,2,6,25,113,548,2770,14426,76851,416848,2294224,12780394,71924647,408310668,2335443077,13446130438,77863375126,453203435319,2649957419351,15558520126830,91687179000949,542139459641933,3215484006733932,19125017153077911]