n | a(n) |
---|---|
2 | 1 |
3 | 12 |
4 | 114 |
5 | 1030 |
6 | 9290 |
7 | 84840 |
8 | 787082 |
9 | 7415814 |
10 | 70867212 |
11 | 685839770 |
12 | 6712285600 |
13 | 66349573368 |
14 | 661680191832 |
15 | 6651030871168 |
16 | 67329662060890 |
17 | 685953949494774 |
18 | 7028941367108708 |
19 | 72403769391718890 |
[1,12,114,1030,9290,84840,787082,7415814,70867212, 685839770,6712285600,66349573368,661680191832, 6651030871168,67329662060890,685953949494774, 7028941367108708,72403769391718890] |