n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 35 |
5 | 541 |
6 | 13062 |
7 | 444767 |
8 | 19912657 |
9 | 1121041222 |
10 | 77048430033 |
11 | 6329916102841 |
12 | 611728117464928 |
13 | 68657066350744197 |
14 | 8854866422322096893 |
15 | 1300613343254300891316 |
[1,1,4,35,541,13062,444767,19912657,1121041222, 77048430033,6329916102841,611728117464928, 68657066350744197,8854866422322096893, 1300613343254300891316] |