[0,1,1,4,6,18,35,93,214,549,1362,3534,9102,23951,63192,168561,451764,1219290,3305783,9008027,24643538,67681372,186504925,515566016,1429246490,3972598378,11068477743,30908170493,86488245455,242481159915,681048784377,1916051725977,5399062619966]
