n | a(n) |
---|---|
0 | 1 |
1 | 120 |
2 | 6210 |
3 | 153040 |
4 | 2224955 |
5 | 22069251 |
6 | 164176640 |
7 | 976395820 |
8 | 4855258305 |
9 | 20856798285 |
10 | 79315936751 |
11 | 272095118010 |
12 | 854560160105 |
13 | 2486299719645 |
14 | 6765755480415 |
15 | 17356306529251 |
16 | 42250330784180 |
17 | 98137852369965 |
[1,120,6210,153040,2224955,22069251,164176640, 976395820,4855258305,20856798285,79315936751, 272095118010,854560160105,2486299719645, 6765755480415,17356306529251,42250330784180, 98137852369965] |