[1,1,2,4,10,23,63,155,448,1152,3452,9157,28176, 76514,240318,664718,2122557,5959052,19289899, 54828151,179538447,515641437,1705240090, 4941294887,16481424379,48127922888,161736798007, 475487875843,1608541737898,4757151493126, 16188528696215]