n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 24 |
3 | 82 |
4 | 261 |
5 | 804 |
6 | 2440 |
7 | 7356 |
8 | 22113 |
9 | 66394 |
10 | 199248 |
11 | 597822 |
12 | 1793557 |
13 | 5380776 |
14 | 16142448 |
15 | 48427480 |
16 | 145282593 |
17 | 435847950 |
18 | 1307544040 |
19 | 3922632330 |
20 | 11767897221 |
21 | 35303691916 |
22 | 105911076024 |
23 | 317733228372 |
24 | 953199685441 |
[1,6,24,82,261,804,2440,7356,22113,66394,199248, 597822,1793557,5380776,16142448,48427480, 145282593,435847950,1307544040,3922632330, 11767897221,35303691916,105911076024,317733228372, 953199685441] |