n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 17 |
5 | 73 |
6 | 368 |
7 | 2074 |
8 | 12663 |
9 | 82236 |
10 | 561664 |
11 | 4004815 |
12 | 29662508 |
13 | 227413816 |
14 | 1800063339 |
15 | 14681764890 |
16 | 123207630130 |
17 | 1062547709801 |
18 | 9407762681632 |
19 | 85445941932906 |
20 | 795514580068247 |
21 | 7587015660017106 |
22 | 74078917658328970 |
23 | 740060483734580171 |
24 | 7560421405484047766 |
25 | 78939580213645975075 |
26 | 841942979579094942598 |
27 | 9168184497787176646141 |
28 | 101876790751549107815492 |
[1,1,2,5,17,73,368,2074,12663,82236,561664, 4004815,29662508,227413816,1800063339,14681764890, 123207630130,1062547709801,9407762681632, 85445941932906,795514580068247,7587015660017106, 74078917658328970,740060483734580171, 7560421405484047766,78939580213645975075, 841942979579094942598,9168184497787176646141, 101876790751549107815492] |