n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 6 |
4 | 45 |
5 | 414 |
6 | 4310 |
7 | 49068 |
8 | 598253 |
9 | 7707738 |
10 | 103981222 |
11 | 1459259444 |
12 | 21201220726 |
13 | 317718863636 |
14 | 4897066444332 |
15 | 77455837982360 |
16 | 1254882911977597 |
17 | 20793816009974054 |
18 | 351973815700006842 |
19 | 6079707258590589100 |
20 | 107070921557974264470 |
21 | 1921112466081500096044 |
22 | 35095122874748021511252 |
23 | 652393778217784214993656 |
24 | 12334667847853804120010726 |
[1,1,6,45,414,4310,49068,598253,7707738,103981222, 1459259444,21201220726,317718863636,4897066444332, 77455837982360,1254882911977597,20793816009974054, 351973815700006842,6079707258590589100, 107070921557974264470,1921112466081500096044, 35095122874748021511252,652393778217784214993656, 12334667847853804120010726] |