[1,3,6,16,40,105,273,715,1870,4896,12816,33553, 87841,229971,602070,1576240,4126648,10803705, 28284465,74049691,193864606,507544128,1328767776, 3478759201,9107509825,23843770275,62423800998, 163427632720]