n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 33 |
5 | 126 |
6 | 535 |
7 | 2493 |
8 | 12569 |
9 | 68092 |
10 | 394029 |
11 | 2423257 |
12 | 15767827 |
13 | 108113333 |
14 | 778198815 |
15 | 5859990774 |
16 | 46016573248 |
17 | 375739918599 |
18 | 3181928792057 |
19 | 27881971943496 |
20 | 252291917965337 |
21 | 2353166240022595 |
22 | 22588471117451579 |
23 | 222844380918633385 |
24 | 2256632985093301978 |
25 | 23430724178641674376 |
26 | 249198423317854694260 |
27 | 2712372210346517891943 |
[1,1,3,10,33,126,535,2493,12569,68092,394029, 2423257,15767827,108113333,778198815,5859990774, 46016573248,375739918599,3181928792057, 27881971943496,252291917965337,2353166240022595, 22588471117451579,222844380918633385, 2256632985093301978,23430724178641674376, 249198423317854694260,2712372210346517891943] |