n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 23 |
4 | 119 |
5 | 709 |
6 | 4749 |
7 | 35031 |
8 | 281271 |
9 | 2438565 |
10 | 22673021 |
11 | 224739303 |
12 | 2363075191 |
13 | 26246762213 |
14 | 306830932749 |
15 | 3763323446487 |
16 | 48292462190743 |
17 | 646763208308421 |
18 | 9020009372203965 |
19 | 130737162573013159 |
20 | 1965798562640921879 |
21 | 30613694640191725381 |
[1,1,5,23,119,709,4749,35031,281271,2438565, 22673021,224739303,2363075191,26246762213, 306830932749,3763323446487,48292462190743, 646763208308421,9020009372203965, 130737162573013159,1965798562640921879, 30613694640191725381] |