n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 30 |
4 | 728 |
5 | 5364 |
6 | 24402 |
7 | 84285 |
8 | 242793 |
9 | 614140 |
10 | 1407960 |
11 | 2987500 |
12 | 5953706 |
13 | 11263472 |
14 | 20392138 |
15 | 35552387 |
16 | 59984019 |
17 | 98331688 |
18 | 157130592 |
19 | 245423322 |
[0,0,30,728,5364,24402,84285,242793,614140, 1407960,2987500,5953706,11263472,20392138, 35552387,59984019,98331688,157130592,245423322] |