[1,1,2,4,9,21,50,122,303,763,1943,4996,12953,
33824,88877,234824,623474,1662618,4451171,
11959159,32235236,87145035,236226761,641942519,
1748479813,4772529625,13052515077,35763350619,
98158386548,269844628977,742940020480,
2048366903124,5655092015428]
|