n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 8 |
3 | 23 |
4 | 55 |
5 | 144 |
6 | 328 |
7 | 816 |
8 | 1808 |
9 | 4358 |
10 | 9485 |
11 | 22377 |
12 | 48097 |
13 | 111720 |
14 | 237917 |
15 | 546161 |
16 | 1154827 |
17 | 2626624 |
18 | 5522464 |
19 | 12467540 |
20 | 26092324 |
21 | 58546544 |
22 | 122059348 |
23 | 272479782 |
24 | 566242186 |
25 | 1258568324 |
26 | 2608232758 |
27 | 5775620396 |
28 | 11940756076 |
[1,3,8,23,55,144,328,816,1808,4358,9485,22377, 48097,111720,237917,546161,1154827,2626624, 5522464,12467540,26092324,58546544,122059348, 272479782,566242186,1258568324,2608232758, 5775620396,11940756076] |