n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 34 |
4 | 209 |
5 | 1546 |
6 | 13327 |
7 | 130922 |
8 | 1441729 |
9 | 17572114 |
10 | 234662231 |
11 | 3405357682 |
12 | 53334454417 |
13 | 896324308634 |
14 | 16083557845279 |
15 | 306827170866106 |
16 | 6199668952527617 |
17 | 132240988644215842 |
18 | 2968971263911288999 |
19 | 69974827707903049154 |
20 | 1727194482044146637521 |
21 | 44552237162692939114282 |
[1,2,7,34,209,1546,13327,130922,1441729,17572114, 234662231,3405357682,53334454417,896324308634, 16083557845279,306827170866106,6199668952527617, 132240988644215842,2968971263911288999, 69974827707903049154,1727194482044146637521, 44552237162692939114282] |