n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 11 |
5 | 20 |
6 | 36 |
7 | 66 |
8 | 121 |
9 | 222 |
10 | 405 |
11 | 738 |
12 | 1346 |
13 | 2453 |
14 | 4472 |
15 | 8153 |
16 | 14863 |
17 | 27093 |
18 | 49388 |
19 | 90029 |
20 | 164112 |
21 | 299156 |
22 | 545324 |
23 | 994058 |
24 | 1812045 |
25 | 3303133 |
26 | 6021201 |
27 | 10975901 |
28 | 20007704 |
29 | 36471557 |
30 | 66483113 |
31 | 121190448 |
32 | 220915119 |
33 | 402700792 |
[1,1,3,6,11,20,36,66,121,222,405,738,1346,2453, 4472,8153,14863,27093,49388,90029,164112,299156, 545324,994058,1812045,3303133,6021201,10975901, 20007704,36471557,66483113,121190448,220915119, 402700792] |