n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 17 |
4 | 85 |
5 | 333 |
6 | 1883 |
7 | 13153 |
8 | 76329 |
9 | 363033 |
10 | 2304867 |
11 | 17067553 |
12 | 104686957 |
13 | 534812789 |
14 | 3558451915 |
15 | 27086552833 |
16 | 170930393745 |
17 | 906063493617 |
18 | 6183676880195 |
19 | 47831931663921 |
20 | 307091159448965 |
21 | 1664876216837789 |
22 | 11545009017568635 |
23 | 90248125157828449 |
[1,1,3,17,85,333,1883,13153,76329,363033,2304867, 17067553,104686957,534812789,3558451915, 27086552833,170930393745,906063493617, 6183676880195,47831931663921,307091159448965, 1664876216837789,11545009017568635, 90248125157828449] |