n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 26 |
4 | 103 |
5 | 410 |
6 | 1639 |
7 | 6554 |
8 | 26215 |
9 | 104858 |
10 | 419431 |
11 | 1677722 |
12 | 6710887 |
13 | 26843546 |
14 | 107374183 |
15 | 429496730 |
16 | 1717986919 |
17 | 6871947674 |
18 | 27487790695 |
19 | 109951162778 |
20 | 439804651111 |
21 | 1759218604442 |
22 | 7036874417767 |
23 | 28147497671066 |
24 | 112589990684263 |
25 | 450359962737050 |
[1,2,7,26,103,410,1639,6554,26215,104858,419431, 1677722,6710887,26843546,107374183,429496730, 1717986919,6871947674,27487790695,109951162778, 439804651111,1759218604442,7036874417767, 28147497671066,112589990684263,450359962737050] |