n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 97 |
3 | 660 |
4 | 4081 |
5 | 23772 |
6 | 133057 |
7 | 724260 |
8 | 3863761 |
9 | 20308332 |
10 | 105558817 |
11 | 544039860 |
12 | 2785713841 |
13 | 14192221692 |
14 | 72020501377 |
15 | 364354427460 |
16 | 1838822866321 |
17 | 9262446387852 |
18 | 46585947584737 |
[1,12,97,660,4081,23772,133057,724260,3863761, 20308332,105558817,544039860,2785713841, 14192221692,72020501377,364354427460, 1838822866321,9262446387852,46585947584737] |