n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 5 |
3 | 14 |
4 | 69 |
5 | 224 |
6 | 805 |
7 | 2610 |
8 | 8545 |
9 | 27068 |
10 | 85209 |
11 | 264406 |
12 | 814509 |
13 | 2488536 |
14 | 7558093 |
15 | 22827130 |
16 | 68625657 |
17 | 205455348 |
18 | 612884929 |
19 | 1822355742 |
20 | 5402974789 |
21 | 15977195792 |
22 | 47135117493 |
23 | 138757706946 |
24 | 407679684497 |
25 | 1195641350700 |
[0,0,5,14,69,224,805,2610,8545,27068,85209,264406, 814509,2488536,7558093,22827130,68625657, 205455348,612884929,1822355742,5402974789, 15977195792,47135117493,138757706946,407679684497, 1195641350700] |