n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 16 |
4 | 62 |
5 | 209 |
6 | 826 |
7 | 2884 |
8 | 12327 |
9 | 46607 |
10 | 197833 |
11 | 754220 |
12 | 3343667 |
13 | 13318517 |
14 | 58434940 |
15 | 233005648 |
16 | 1052872124 |
17 | 4322695836 |
18 | 19330561228 |
19 | 79239584849 |
20 | 362301103486 |
21 | 1517546326245 |
22 | 6870981921627 |
23 | 28703048456221 |
24 | 132297147943855 |
25 | 562147041928433 |
26 | 2567582959610258 |
27 | 10875375405053705 |
[1,2,6,16,62,209,826,2884,12327,46607,197833, 754220,3343667,13318517,58434940,233005648, 1052872124,4322695836,19330561228,79239584849, 362301103486,1517546326245,6870981921627, 28703048456221,132297147943855,562147041928433, 2567582959610258,10875375405053705] |