n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 3 |
4 | 10 |
5 | 27 |
6 | 89 |
7 | 267 |
8 | 868 |
9 | 2858 |
10 | 9510 |
11 | 31830 |
12 | 108638 |
13 | 373219 |
14 | 1288064 |
15 | 4482534 |
16 | 15710368 |
17 | 55258931 |
18 | 195240700 |
19 | 693284513 |
20 | 2470263132 |
21 | 8827776270 |
22 | 31654190580 |
23 | 113835950410 |
24 | 410335021648 |
25 | 1482638356348 |
26 | 5369592056146 |
27 | 19484896375080 |
28 | 70835100481126 |
29 | 257981797359638 |
30 | 941120763934455 |
31 | 3438343699103345 |
[1,0,2,3,10,27,89,267,868,2858,9510,31830,108638, 373219,1288064,4482534,15710368,55258931, 195240700,693284513,2470263132,8827776270, 31654190580,113835950410,410335021648, 1482638356348,5369592056146,19484896375080, 70835100481126,257981797359638,941120763934455, 3438343699103345] |