n | a(n) |
---|---|
1 | 6 |
2 | 34 |
3 | 173 |
4 | 830 |
5 | 3669 |
6 | 14921 |
7 | 55734 |
8 | 191916 |
9 | 612871 |
10 | 1827072 |
11 | 5118950 |
12 | 13561326 |
13 | 34161206 |
14 | 82219937 |
15 | 189887848 |
16 | 422385924 |
17 | 907900116 |
18 | 1891159167 |
19 | 3827190045 |
20 | 7541618443 |
21 | 14499264935 |
22 | 27245395504 |
23 | 50118187760 |
24 | 90379795961 |
25 | 159985071253 |
[6,34,173,830,3669,14921,55734,191916,612871, 1827072,5118950,13561326,34161206,82219937, 189887848,422385924,907900116,1891159167, 3827190045,7541618443,14499264935,27245395504, 50118187760,90379795961,159985071253] |