n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 12 |
5 | 41 |
6 | 70 |
7 | 239 |
8 | 408 |
9 | 1393 |
10 | 2378 |
11 | 8119 |
12 | 13860 |
13 | 47321 |
14 | 80782 |
15 | 275807 |
16 | 470832 |
17 | 1607521 |
18 | 2744210 |
19 | 9369319 |
20 | 15994428 |
21 | 54608393 |
22 | 93222358 |
23 | 318281039 |
24 | 543339720 |
25 | 1855077841 |
26 | 3166815962 |
27 | 10812186007 |
28 | 18457556052 |
29 | 63018038201 |
30 | 107578520350 |
[1,2,7,12,41,70,239,408,1393,2378,8119,13860, 47321,80782,275807,470832,1607521,2744210,9369319, 15994428,54608393,93222358,318281039,543339720, 1855077841,3166815962,10812186007,18457556052, 63018038201,107578520350] |