n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 18 |
6 | 41 |
7 | 84 |
8 | 176 |
9 | 369 |
10 | 772 |
11 | 1625 |
12 | 3406 |
13 | 7156 |
14 | 15025 |
15 | 31542 |
16 | 66225 |
17 | 139016 |
18 | 291856 |
19 | 612705 |
20 | 1286296 |
21 | 2700433 |
22 | 5669210 |
23 | 11901844 |
24 | 24986425 |
25 | 52455914 |
26 | 110124697 |
27 | 231193116 |
28 | 485361376 |
29 | 1018956049 |
30 | 2139172156 |
31 | 4490927145 |
[1,2,4,9,18,41,84,176,369,772,1625,3406,7156, 15025,31542,66225,139016,291856,612705,1286296, 2700433,5669210,11901844,24986425,52455914, 110124697,231193116,485361376,1018956049, 2139172156,4490927145] |