n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 23 |
5 | 75 |
6 | 278 |
7 | 1155 |
8 | 5295 |
9 | 26442 |
10 | 142417 |
11 | 820987 |
12 | 5034584 |
13 | 32679021 |
14 | 223578343 |
15 | 1606536888 |
16 | 12086679035 |
17 | 94951548839 |
18 | 777028354998 |
19 | 6609770560055 |
20 | 58333928795427 |
21 | 533203744952178 |
22 | 5039919483399501 |
23 | 49191925338483847 |
24 | 495150794633289136 |
[1,3,8,23,75,278,1155,5295,26442,142417,820987, 5034584,32679021,223578343,1606536888,12086679035, 94951548839,777028354998,6609770560055, 58333928795427,533203744952178,5039919483399501, 49191925338483847,495150794633289136] |