n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 6 |
6 | 10 |
7 | 21 |
8 | 48 |
9 | 103 |
10 | 219 |
11 | 489 |
12 | 1114 |
13 | 2517 |
14 | 5712 |
15 | 13152 |
16 | 30492 |
17 | 70812 |
18 | 165165 |
19 | 387456 |
20 | 912378 |
21 | 2154250 |
22 | 5102343 |
23 | 12123027 |
24 | 28878384 |
25 | 68947041 |
26 | 164979006 |
27 | 395604531 |
28 | 950428335 |
29 | 2287387152 |
30 | 5514240673 |
31 | 13314167718 |
32 | 32194109193 |
33 | 77953239507 |
34 | 188997294360 |
[1,1,1,1,3,6,10,21,48,103,219,489,1114,2517,5712, 13152,30492,70812,165165,387456,912378,2154250, 5102343,12123027,28878384,68947041,164979006, 395604531,950428335,2287387152,5514240673, 13314167718,32194109193,77953239507,188997294360] |