n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 13 |
4 | 65 |
5 | 330 |
6 | 1297 |
7 | 6393 |
8 | 30904 |
9 | 154041 |
10 | 764894 |
11 | 3804884 |
12 | 18978589 |
13 | 94697319 |
14 | 472770928 |
15 | 2360757090 |
16 | 11789229577 |
17 | 58877258002 |
18 | 294049444613 |
19 | 1468594070621 |
20 | 7334774136424 |
21 | 36633069686965 |
22 | 182962072923069 |
23 | 913796219872826 |
[1,6,13,65,330,1297,6393,30904,154041,764894, 3804884,18978589,94697319,472770928,2360757090, 11789229577,58877258002,294049444613, 1468594070621,7334774136424,36633069686965, 182962072923069,913796219872826] |