n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 7 |
4 | 21 |
5 | 41 |
6 | 178 |
7 | 743 |
8 | 1893 |
9 | 7141 |
10 | 40686 |
11 | 242045 |
12 | 734858 |
13 | 3426541 |
14 | 16135967 |
15 | 125737204 |
16 | 1002664205 |
17 | 3666743533 |
18 | 19447711462 |
19 | 106460517281 |
20 | 670516591350 |
21 | 6612951841507 |
22 | 70889373855917 |
23 | 294866473433284 |
24 | 1838126653955566 |
25 | 10943388725636241 |
26 | 76804122461785213 |
[1,2,3,7,21,41,178,743,1893,7141,40686,242045, 734858,3426541,16135967,125737204,1002664205, 3666743533,19447711462,106460517281,670516591350, 6612951841507,70889373855917,294866473433284, 1838126653955566,10943388725636241, 76804122461785213] |