n | a(n) |
---|---|
1 | 1 |
2 | 70 |
3 | 1407 |
4 | 12480 |
5 | 69050 |
6 | 281946 |
7 | 931490 |
8 | 2632512 |
9 | 6598935 |
10 | 15041950 |
11 | 31740841 |
12 | 62830560 |
13 | 117855192 |
14 | 211141490 |
15 | 363551700 |
16 | 604679936 |
17 | 975561405 |
18 | 1531968822 |
19 | 2348375395 |
20 | 3522668800 |
21 | 5181705606 |
22 | 7487800650 |
23 | 10646250902 |
[1,70,1407,12480,69050,281946,931490,2632512, 6598935,15041950,31740841,62830560,117855192, 211141490,363551700,604679936,975561405, 1531968822,2348375395,3522668800,5181705606, 7487800650,10646250902] |