n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 4 |
3 | 11 |
4 | 17 |
5 | 45 |
6 | 75 |
7 | 195 |
8 | 339 |
9 | 873 |
10 | 1558 |
11 | 3989 |
12 | 7247 |
13 | 18483 |
14 | 34016 |
15 | 86515 |
16 | 160795 |
17 | 408105 |
18 | 764388 |
19 | 1936881 |
20 | 3650571 |
21 | 9238023 |
22 | 17501619 |
23 | 44241261 |
24 | 84179877 |
25 | 212601015 |
26 | 406020930 |
27 | 1024642875 |
28 | 1963073865 |
29 | 4950790605 |
[1,3,4,11,17,45,75,195,339,873,1558,3989,7247, 18483,34016,86515,160795,408105,764388,1936881, 3650571,9238023,17501619,44241261,84179877, 212601015,406020930,1024642875,1963073865, 4950790605] |