n | a(n) |
---|---|
1 | 3 |
2 | 7 |
3 | 18 |
4 | 40 |
5 | 88 |
6 | 208 |
7 | 513 |
8 | 1345 |
9 | 3605 |
10 | 9965 |
11 | 27984 |
12 | 79815 |
13 | 230184 |
14 | 669541 |
15 | 1961782 |
16 | 5781027 |
17 | 17121898 |
18 | 50926700 |
19 | 152037454 |
20 | 455379086 |
21 | 1367866472 |
22 | 4119420084 |
23 | 12434683582 |
24 | 37613680284 |
25 | 113995431428 |
26 | 346090115288 |
27 | 1052421037283 |
28 | 3205047207003 |
29 | 9774084239631 |
[3,7,18,40,88,208,513,1345,3605,9965,27984,79815, 230184,669541,1961782,5781027,17121898,50926700, 152037454,455379086,1367866472,4119420084, 12434683582,37613680284,113995431428,346090115288, 1052421037283,3205047207003,9774084239631] |