n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 21 |
5 | 71 |
6 | 217 |
7 | 599 |
8 | 1514 |
9 | 3550 |
10 | 7801 |
11 | 16193 |
12 | 31956 |
13 | 60282 |
14 | 109214 |
15 | 190816 |
16 | 322679 |
17 | 529823 |
18 | 847060 |
19 | 1321888 |
20 | 2017991 |
21 | 3019425 |
22 | 4435575 |
23 | 6406973 |
24 | 9112072 |
25 | 12775076 |
26 | 17674931 |
27 | 24155587 |
28 | 32637646 |
29 | 43631516 |
30 | 57752196 |
31 | 75735822 |
32 | 98458109 |
33 | 126954829 |
34 | 162444470 |
[1,1,2,6,21,71,217,599,1514,3550,7801,16193,31956, 60282,109214,190816,322679,529823,847060,1321888, 2017991,3019425,4435575,6406973,9112072,12775076, 17674931,24155587,32637646,43631516,57752196, 75735822,98458109,126954829,162444470] |