n | a(n) |
---|---|
2 | 7 |
3 | 44 |
4 | 273 |
5 | 1696 |
6 | 10573 |
7 | 66151 |
8 | 415277 |
9 | 2615004 |
10 | 16512355 |
11 | 104526093 |
12 | 663143211 |
13 | 4215574482 |
14 | 26846320149 |
15 | 171243444982 |
16 | 1093897673897 |
17 | 6997031842554 |
18 | 44809862773473 |
19 | 287283383574927 |
20 | 1843675415666053 |
21 | 11842954734864350 |
22 | 76138777668602115 |
23 | 489884818519692190 |
[7,44,273,1696,10573,66151,415277,2615004, 16512355,104526093,663143211,4215574482, 26846320149,171243444982,1093897673897, 6997031842554,44809862773473,287283383574927, 1843675415666053,11842954734864350, 76138777668602115,489884818519692190] |