n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 119 |
6 | 694 |
7 | 4582 |
8 | 33325 |
9 | 261863 |
10 | 2192390 |
11 | 19358590 |
12 | 178904675 |
13 | 1720317763 |
14 | 17132629082 |
15 | 176055309619 |
16 | 1861037944163 |
17 | 20185165186517 |
18 | 224150069984572 |
19 | 2543698932578158 |
20 | 29451619807433107 |
21 | 347417296695040510 |
22 | 4170088041714300134 |
23 | 50874753262007210667 |
[1,1,2,6,24,119,694,4582,33325,261863,2192390, 19358590,178904675,1720317763,17132629082, 176055309619,1861037944163,20185165186517, 224150069984572,2543698932578158, 29451619807433107,347417296695040510, 4170088041714300134,50874753262007210667] |