n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 20 |
3 | 300 |
4 | 7816 |
5 | 309268 |
6 | 17129124 |
7 | 1257440728 |
8 | 117670533312 |
9 | 13632858981520 |
10 | 1911496421824368 |
11 | 318509331241411392 |
12 | 62137611331237184232 |
13 | 14017177497096182047312 |
14 | 3617854328162898879096264 |
[1,3,20,300,7816,309268,17129124,1257440728, 117670533312,13632858981520,1911496421824368, 318509331241411392,62137611331237184232, 14017177497096182047312,3617854328162898879096264] |