n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 43 |
4 | 174 |
5 | 721 |
6 | 3042 |
7 | 13022 |
8 | 56420 |
9 | 246977 |
10 | 1090846 |
11 | 4856162 |
12 | 21770665 |
13 | 98217318 |
14 | 445634370 |
15 | 2032434475 |
16 | 9313305870 |
17 | 42861416044 |
18 | 198038717055 |
19 | 918368326483 |
20 | 4273103732070 |
21 | 19944292913477 |
22 | 93356009312511 |
23 | 438150836819153 |
[1,3,11,43,174,721,3042,13022,56420,246977, 1090846,4856162,21770665,98217318,445634370, 2032434475,9313305870,42861416044,198038717055, 918368326483,4273103732070,19944292913477, 93356009312511,438150836819153] |