[0,1,4,18,82,377,1740,8045,37226,172314,797744,
3693493,17101128,79180525,366618808,1697509962,
7859781454,36392245541,168502887396,780199897985,
3612471696230,16726421117538,77446465948772,
358591660029577,1660346632032144,7687716275234809,
35595568065121900,164814155562334914]
|