n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 11 |
6 | 40 |
7 | 99 |
8 | 589 |
9 | 3194 |
10 | 11259 |
11 | 92159 |
12 | 666160 |
13 | 3052323 |
14 | 31799041 |
15 | 287316122 |
16 | 1620265923 |
17 | 20497038755 |
18 | 222237912664 |
19 | 1488257158851 |
20 | 22149498351205 |
21 | 280180369563194 |
22 | 2172534146099019 |
23 | 37183508549366519 |
24 | 537546603651987424 |
25 | 4736552519729393091 |
[1,1,1,2,3,11,40,99,589,3194,11259,92159,666160, 3052323,31799041,287316122,1620265923,20497038755, 222237912664,1488257158851,22149498351205, 280180369563194,2172534146099019, 37183508549366519,537546603651987424, 4736552519729393091] |