n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 39 |
4 | 107 |
5 | 310 |
6 | 943 |
7 | 2935 |
8 | 9077 |
9 | 28054 |
10 | 87562 |
11 | 272571 |
12 | 850365 |
13 | 2654831 |
14 | 8284969 |
15 | 25870031 |
16 | 80782480 |
17 | 252246425 |
18 | 787748512 |
19 | 2460025106 |
20 | 7682422987 |
21 | 23991929280 |
22 | 74925446720 |
23 | 233989461442 |
24 | 730741987475 |
25 | 2282083022643 |
26 | 7126881707392 |
[1,16,39,107,310,943,2935,9077,28054,87562,272571, 850365,2654831,8284969,25870031,80782480, 252246425,787748512,2460025106,7682422987, 23991929280,74925446720,233989461442,730741987475, 2282083022643,7126881707392] |