n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 196 |
8 | 3072 |
9 | 42768 |
10 | 550000 |
11 | 3573856 |
12 | 25009344 |
13 | 102800672 |
14 | 454967744 |
15 | 1441238400 |
16 | 4811118592 |
17 | 12616778208 |
18 | 34692705648 |
19 | 79514466480 |
20 | 189770459200 |
21 | 392908083876 |
22 | 842040318416 |
23 | 1610365515264 |
24 | 3172863442176 |
25 | 5692888800000 |
[0,0,0,0,0,0,196,3072,42768,550000,3573856, 25009344,102800672,454967744,1441238400, 4811118592,12616778208,34692705648,79514466480, 189770459200,392908083876,842040318416, 1610365515264,3172863442176,5692888800000] |