n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 42 |
5 | 165 |
6 | 654 |
7 | 2605 |
8 | 10398 |
9 | 41550 |
10 | 166116 |
11 | 664299 |
12 | 2656866 |
13 | 10626810 |
14 | 42505932 |
15 | 170021123 |
16 | 680079282 |
17 | 2720306730 |
18 | 10881206124 |
19 | 43524782946 |
20 | 174099048684 |
21 | 696396028620 |
22 | 2785583782248 |
23 | 11142334464693 |
24 | 44569336530174 |
25 | 178277343463830 |
26 | 713109368541588 |
[1,1,3,11,42,165,654,2605,10398,41550,166116, 664299,2656866,10626810,42505932,170021123, 680079282,2720306730,10881206124,43524782946, 174099048684,696396028620,2785583782248, 11142334464693,44569336530174,178277343463830, 713109368541588] |