n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 12 |
4 | 15 |
5 | 99 |
6 | 120 |
7 | 725 |
8 | 861 |
9 | 5092 |
10 | 5995 |
11 | 35223 |
12 | 41328 |
13 | 242265 |
14 | 283881 |
15 | 1662716 |
16 | 1947351 |
17 | 11402203 |
18 | 13351528 |
19 | 78166989 |
20 | 91523685 |
21 | 535804116 |
22 | 627341331 |
23 | 3672559727 |
24 | 4299936480 |
25 | 25172370289 |
26 | 29472399505 |
27 | 172534703340 |
[1,1,1,12,15,99,120,725,861,5092,5995,35223,41328, 242265,283881,1662716,1947351,11402203,13351528, 78166989,91523685,535804116,627341331,3672559727, 4299936480,25172370289,29472399505,172534703340] |