n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 13 |
3 | 36 |
4 | 85 |
5 | 210 |
6 | 505 |
7 | 1224 |
8 | 2953 |
9 | 7134 |
10 | 17221 |
11 | 41580 |
12 | 100381 |
13 | 242346 |
14 | 585073 |
15 | 1412496 |
16 | 3410065 |
17 | 8232630 |
18 | 19875325 |
19 | 47983284 |
20 | 115841893 |
21 | 279667074 |
22 | 675176041 |
23 | 1630019160 |
24 | 3935214361 |
25 | 9500447886 |
26 | 22936110133 |
27 | 55372668156 |
28 | 133681446445 |
29 | 322735561050 |
[1,6,13,36,85,210,505,1224,2953,7134,17221,41580, 100381,242346,585073,1412496,3410065,8232630, 19875325,47983284,115841893,279667074,675176041, 1630019160,3935214361,9500447886,22936110133, 55372668156,133681446445,322735561050] |