n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 3 |
4 | 88 |
5 | 485 |
6 | 13896 |
7 | 158767 |
8 | 4919664 |
9 | 90698841 |
10 | 3130084360 |
11 | 81025744811 |
12 | 3144372342552 |
13 | 104942286748741 |
14 | 4582896912897408 |
15 | 186591555463556895 |
16 | 9135453970592830816 |
17 | 437146665470130792497 |
18 | 23852990622867670807704 |
19 | 1307029600226135900982835 |
[1,0,2,3,88,485,13896,158767,4919664,90698841, 3130084360,81025744811,3144372342552, 104942286748741,4582896912897408, 186591555463556895,9135453970592830816, 437146665470130792497,23852990622867670807704, 1307029600226135900982835] |