n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 66 |
6 | 343 |
7 | 2180 |
8 | 16505 |
9 | 145773 |
10 | 1477880 |
11 | 16986349 |
12 | 219158316 |
13 | 3147962668 |
14 | 49982588535 |
15 | 871766923048 |
16 | 16609804758449 |
17 | 344016348602845 |
18 | 7711752589539436 |
19 | 186379711851775401 |
20 | 4839449174872615116 |
21 | 134575228738532130948 |
22 | 3996183953610068510929 |
[1,1,2,5,16,66,343,2180,16505,145773,1477880, 16986349,219158316,3147962668,49982588535, 871766923048,16609804758449,344016348602845, 7711752589539436,186379711851775401, 4839449174872615116,134575228738532130948, 3996183953610068510929] |