n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 5 |
6 | 15 |
7 | 35 |
8 | 70 |
9 | 126 |
10 | 211 |
11 | 342 |
12 | 573 |
13 | 1079 |
14 | 2366 |
15 | 5733 |
16 | 14197 |
17 | 34223 |
18 | 78832 |
19 | 173166 |
20 | 364876 |
21 | 745066 |
22 | 1493990 |
23 | 2985725 |
24 | 6030652 |
25 | 12428911 |
26 | 26199706 |
27 | 56231526 |
28 | 121847272 |
29 | 264270015 |
30 | 570020037 |
31 | 1218672066 |
32 | 2581172411 |
33 | 5424947523 |
34 | 11347651254 |
[0,0,0,1,5,15,35,70,126,211,342,573,1079,2366, 5733,14197,34223,78832,173166,364876,745066, 1493990,2985725,6030652,12428911,26199706, 56231526,121847272,264270015,570020037,1218672066, 2581172411,5424947523,11347651254] |