n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 65 |
6 | 209 |
7 | 714 |
8 | 7314 |
9 | 38570 |
10 | 254540 |
11 | 728364 |
12 | 11243154 |
13 | 58524465 |
14 | 812646120 |
15 | 5163068910 |
16 | 58720148850 |
17 | 555409903685 |
18 | 4339149420605 |
19 | 69322940121435 |
20 | 490005293940084 |
21 | 5819629108725509 |
22 | 76622240600506314 |
[1,2,5,14,65,209,714,7314,38570,254540,728364, 11243154,58524465,812646120,5163068910, 58720148850,555409903685,4339149420605, 69322940121435,490005293940084,5819629108725509, 76622240600506314] |