n | a(n) |
---|---|
1 | 0 |
2 | 14 |
3 | 66 |
4 | 238 |
5 | 769 |
6 | 2432 |
7 | 7440 |
8 | 22494 |
9 | 66934 |
10 | 197146 |
11 | 575042 |
12 | 1664510 |
13 | 4785950 |
14 | 13683634 |
15 | 38931434 |
16 | 110291246 |
17 | 311272806 |
18 | 875559938 |
19 | 2455439762 |
20 | 6867568958 |
21 | 19161061470 |
22 | 53342827474 |
23 | 148202912538 |
24 | 410993902254 |
25 | 1137828238230 |
[0,14,66,238,769,2432,7440,22494,66934,197146, 575042,1664510,4785950,13683634,38931434, 110291246,311272806,875559938,2455439762, 6867568958,19161061470,53342827474,148202912538, 410993902254,1137828238230] |