n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 34 |
3 | 792 |
4 | 10688 |
5 | 90005 |
6 | 533358 |
7 | 2437848 |
8 | 9156288 |
9 | 29522961 |
10 | 84293770 |
11 | 217993600 |
12 | 519341472 |
13 | 1154658869 |
14 | 2420188694 |
15 | 4821091920 |
16 | 9187076352 |
17 | 16837177281 |
18 | 29809183410 |
19 | 51172613512 |
20 | 85448030080 |
21 | 139159855989 |
22 | 221554769150 |
23 | 345523218536 |
24 | 528767663040 |
[0,1,34,792,10688,90005,533358,2437848,9156288, 29522961,84293770,217993600,519341472,1154658869, 2420188694,4821091920,9187076352,16837177281, 29809183410,51172613512,85448030080,139159855989, 221554769150,345523218536,528767663040] |