n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 27 |
4 | 249 |
5 | 4041 |
6 | 63243 |
7 | 1475667 |
8 | 32699889 |
9 | 993349521 |
10 | 28523262483 |
11 | 1066359584907 |
12 | 37641671773929 |
13 | 1670094388871001 |
14 | 69986872318116123 |
15 | 3592579308449406147 |
16 | 174344892287659801569 |
17 | 10161108739424329621281 |
18 | 560542564223660451017763 |
19 | 36558288488418607271489787 |
[1,1,3,27,249,4041,63243,1475667,32699889, 993349521,28523262483,1066359584907, 37641671773929,1670094388871001,69986872318116123, 3592579308449406147,174344892287659801569, 10161108739424329621281,560542564223660451017763, 36558288488418607271489787] |