n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 116 |
6 | 642 |
7 | 3954 |
8 | 26528 |
9 | 191368 |
10 | 1468514 |
11 | 11899358 |
12 | 101177336 |
13 | 898486540 |
14 | 8299327770 |
15 | 79481787362 |
16 | 786962615104 |
17 | 8036673996944 |
18 | 84475005423394 |
19 | 912287361123926 |
20 | 10106308353804312 |
21 | 114683674053106724 |
22 | 1331405224273188370 |
23 | 15795339232664163058 |
24 | 191299235558676809056 |
25 | 2362987021847135118872 |
26 | 29744438703886126773794 |
27 | 381251029053155869953294 |
[1,2,6,24,116,642,3954,26528,191368,1468514, 11899358,101177336,898486540,8299327770, 79481787362,786962615104,8036673996944, 84475005423394,912287361123926,10106308353804312, 114683674053106724,1331405224273188370, 15795339232664163058,191299235558676809056, 2362987021847135118872,29744438703886126773794, 381251029053155869953294] |