n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 12 |
4 | 34 |
5 | 60 |
6 | 155 |
7 | 280 |
8 | 686 |
9 | 1260 |
10 | 2982 |
11 | 5544 |
12 | 12804 |
13 | 24024 |
14 | 54483 |
15 | 102960 |
16 | 230230 |
17 | 437580 |
18 | 967538 |
19 | 1847560 |
20 | 4047836 |
21 | 7759752 |
22 | 16871582 |
23 | 32449872 |
24 | 70100044 |
25 | 135207800 |
26 | 290473900 |
27 | 561632400 |
28 | 1200823560 |
29 | 2326762800 |
[1,2,7,12,34,60,155,280,686,1260,2982,5544,12804, 24024,54483,102960,230230,437580,967538,1847560, 4047836,7759752,16871582,32449872,70100044, 135207800,290473900,561632400,1200823560, 2326762800] |