n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 35 |
4 | 127 |
5 | 472 |
6 | 1781 |
7 | 6783 |
8 | 25978 |
9 | 99823 |
10 | 384331 |
11 | 1481424 |
12 | 5714073 |
13 | 22048715 |
14 | 85098282 |
15 | 328485899 |
16 | 1268080423 |
17 | 4895497064 |
18 | 18899853101 |
19 | 72967061671 |
20 | 281708048154 |
21 | 1087611942455 |
22 | 4199040207827 |
23 | 16211637659168 |
[1,3,10,35,127,472,1781,6783,25978,99823,384331, 1481424,5714073,22048715,85098282,328485899, 1268080423,4895497064,18899853101,72967061671, 281708048154,1087611942455,4199040207827, 16211637659168] |