n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 10 |
4 | 20 |
5 | 40 |
6 | 86 |
7 | 192 |
8 | 440 |
9 | 1038 |
10 | 2492 |
11 | 6071 |
12 | 14960 |
13 | 37198 |
14 | 93193 |
15 | 234956 |
16 | 595561 |
17 | 1516638 |
18 | 3877904 |
19 | 9950907 |
20 | 25615653 |
21 | 66127186 |
22 | 171144671 |
23 | 443966370 |
24 | 1154115392 |
25 | 3005950907 |
26 | 7842940992 |
27 | 20496497120 |
28 | 53645118592 |
29 | 140599195758 |
[2,5,10,20,40,86,192,440,1038,2492,6071,14960, 37198,93193,234956,595561,1516638,3877904,9950907, 25615653,66127186,171144671,443966370,1154115392, 3005950907,7842940992,20496497120,53645118592, 140599195758] |