n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 31 |
4 | 105 |
5 | 300 |
6 | 814 |
7 | 1996 |
8 | 4642 |
9 | 10105 |
10 | 20975 |
11 | 41455 |
12 | 78849 |
13 | 144371 |
14 | 256079 |
15 | 440704 |
16 | 738772 |
17 | 1208149 |
18 | 1932864 |
19 | 3029214 |
20 | 4660063 |
21 | 7045203 |
22 | 10483231 |
23 | 15368227 |
24 | 22222681 |
25 | 31722589 |
26 | 44745412 |
27 | 62407716 |
28 | 86132422 |
29 | 117703074 |
30 | 159357465 |
31 | 213863183 |
32 | 284644763 |
[1,2,9,31,105,300,814,1996,4642,10105,20975,41455, 78849,144371,256079,440704,738772,1208149,1932864, 3029214,4660063,7045203,10483231,15368227, 22222681,31722589,44745412,62407716,86132422, 117703074,159357465,213863183,284644763] |