n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 35 |
6 | 104 |
7 | 309 |
8 | 950 |
9 | 3001 |
10 | 9580 |
11 | 31122 |
12 | 102447 |
13 | 340154 |
14 | 1141687 |
15 | 3861440 |
16 | 13151163 |
17 | 45099030 |
18 | 155500732 |
19 | 538992037 |
20 | 1877191730 |
21 | 6565129272 |
22 | 23052066243 |
23 | 81232416035 |
24 | 287194928135 |
25 | 1018509372930 |
26 | 3622229673983 |
27 | 12916151094960 |
28 | 46169898399992 |
29 | 165415989450629 |
30 | 593924178778286 |
31 | 2136775816554616 |
[1,1,2,5,13,35,104,309,950,3001,9580,31122,102447, 340154,1141687,3861440,13151163,45099030, 155500732,538992037,1877191730,6565129272, 23052066243,81232416035,287194928135, 1018509372930,3622229673983,12916151094960, 46169898399992,165415989450629,593924178778286, 2136775816554616] |