n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 41 |
6 | 134 |
7 | 451 |
8 | 1579 |
9 | 5725 |
10 | 21247 |
11 | 80532 |
12 | 311203 |
13 | 1220208 |
14 | 4851662 |
15 | 19519760 |
16 | 79346540 |
17 | 325592275 |
18 | 1347098177 |
19 | 5615181079 |
20 | 23565529525 |
21 | 99503559928 |
22 | 422509407783 |
23 | 1803261895238 |
24 | 7732529216295 |
25 | 33302199102857 |
26 | 144001008471676 |
27 | 624992627998857 |
28 | 2722004649269076 |
[1,1,2,5,14,41,134,451,1579,5725,21247,80532, 311203,1220208,4851662,19519760,79346540, 325592275,1347098177,5615181079,23565529525, 99503559928,422509407783,1803261895238, 7732529216295,33302199102857,144001008471676, 624992627998857,2722004649269076] |