n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 41 |
5 | 136 |
6 | 1381 |
7 | 5312 |
8 | 70265 |
9 | 491776 |
10 | 5977561 |
11 | 40270592 |
12 | 1021246445 |
13 | 6249389056 |
14 | 135671657941 |
15 | 1919826163712 |
16 | 36481192888145 |
17 | 355897293438976 |
18 | 12422529973051441 |
19 | 121674189293944832 |
20 | 4514836332133978325 |
[1,3,8,41,136,1381,5312,70265,491776,5977561, 40270592,1021246445,6249389056,135671657941, 1919826163712,36481192888145,355897293438976, 12422529973051441,121674189293944832, 4514836332133978325] |