n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 24 |
5 | 58 |
6 | 143 |
7 | 345 |
8 | 836 |
9 | 2018 |
10 | 4875 |
11 | 11769 |
12 | 28416 |
13 | 68602 |
14 | 165623 |
15 | 399849 |
16 | 965324 |
17 | 2330498 |
18 | 5626323 |
19 | 13583145 |
20 | 32792616 |
21 | 79168378 |
22 | 191129375 |
23 | 461427129 |
24 | 1113983636 |
25 | 2689394402 |
26 | 6492772443 |
27 | 15674939289 |
28 | 37842651024 |
29 | 91360241338 |
[1,3,9,24,58,143,345,836,2018,4875,11769,28416, 68602,165623,399849,965324,2330498,5626323, 13583145,32792616,79168378,191129375,461427129, 1113983636,2689394402,6492772443,15674939289, 37842651024,91360241338] |