n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 9 |
6 | 20 |
7 | 45 |
8 | 92 |
9 | 182 |
10 | 342 |
11 | 601 |
12 | 982 |
13 | 1499 |
14 | 2169 |
15 | 2970 |
16 | 3994 |
17 | 5297 |
18 | 6834 |
19 | 8635 |
20 | 10714 |
21 | 13121 |
22 | 16104 |
23 | 19674 |
24 | 23868 |
25 | 28453 |
26 | 33637 |
27 | 39630 |
28 | 46730 |
[1,1,2,4,9,20,45,92,182,342,601,982,1499,2169, 2970,3994,5297,6834,8635,10714,13121,16104,19674, 23868,28453,33637,39630,46730] |