n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 49 |
5 | 322 |
6 | 2411 |
7 | 19868 |
8 | 178832 |
9 | 1724689 |
10 | 17728545 |
11 | 192634930 |
12 | 2201760840 |
13 | 26341552085 |
14 | 328644606302 |
15 | 4261866683006 |
16 | 57288746422850 |
17 | 796337785825197 |
18 | 11422744246417607 |
19 | 168765251734898485 |
20 | 2564015637845130072 |
21 | 39998356172536082076 |
22 | 639840751503820832346 |
[1,1,2,9,49,322,2411,19868,178832,1724689, 17728545,192634930,2201760840,26341552085, 328644606302,4261866683006,57288746422850, 796337785825197,11422744246417607, 168765251734898485,2564015637845130072, 39998356172536082076,639840751503820832346] |