n | a(n) |
---|---|
1 | 3 |
2 | 120 |
3 | 669 |
4 | 4910 |
5 | 37050 |
6 | 263381 |
7 | 1894297 |
8 | 13791026 |
9 | 99838011 |
10 | 723141636 |
11 | 5242242192 |
12 | 38000913259 |
13 | 275443591763 |
14 | 1996621786317 |
15 | 14473789984416 |
16 | 104921152690890 |
17 | 760577267171391 |
18 | 5513516936878546 |
19 | 39968166811319574 |
[3,120,669,4910,37050,263381,1894297,13791026, 99838011,723141636,5242242192,38000913259, 275443591763,1996621786317,14473789984416, 104921152690890,760577267171391,5513516936878546, 39968166811319574] |