[1,1,2,5,14,43,147,521,1941,7480,29589,119739,
493859,2068429,8783152,37733105,163756225,
717099427,3165207986,14069737107,62939441266,
283160925349,1280508190885,5817930349391,
26546802485592,121606719251131,559072059863772,
2578817198577756,11931845796002335]
|