n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 6 |
4 | 6 |
5 | 6 |
6 | 42 |
7 | 78 |
8 | 114 |
9 | 366 |
10 | 870 |
11 | 1806 |
12 | 4470 |
13 | 10374 |
14 | 29490 |
15 | 70422 |
16 | 172050 |
17 | 443670 |
18 | 1203270 |
19 | 3079590 |
20 | 7634310 |
21 | 19822470 |
22 | 53513466 |
23 | 138825006 |
24 | 355353522 |
25 | 932324478 |
26 | 2521602582 |
27 | 6627329070 |
28 | 17259334422 |
29 | 45447231174 |
30 | 124012157154 |
31 | 328387674390 |
[1,1,6,6,6,42,78,114,366,870,1806,4470,10374, 29490,70422,172050,443670,1203270,3079590,7634310, 19822470,53513466,138825006,355353522,932324478, 2521602582,6627329070,17259334422,45447231174, 124012157154,328387674390] |