n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 21 |
7 | 36 |
8 | 78 |
9 | 153 |
10 | 300 |
11 | 595 |
12 | 1176 |
13 | 2346 |
14 | 4656 |
15 | 9316 |
16 | 18528 |
17 | 37128 |
18 | 74305 |
19 | 148240 |
20 | 296835 |
21 | 593505 |
22 | 1186570 |
23 | 2372931 |
24 | 4744740 |
25 | 9489546 |
26 | 18975880 |
27 | 37953828 |
28 | 75909681 |
29 | 151806600 |
30 | 303626403 |
31 | 607243825 |
32 | 1214480970 |
33 | 2428940451 |
[1,1,1,3,6,10,21,36,78,153,300,595,1176,2346,4656, 9316,18528,37128,74305,148240,296835,593505, 1186570,2372931,4744740,9489546,18975880,37953828, 75909681,151806600,303626403,607243825,1214480970, 2428940451] |