n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 19 |
3 | 182 |
4 | 2328 |
5 | 37234 |
6 | 714674 |
7 | 16004064 |
8 | 409587144 |
9 | 11792756640 |
10 | 377261048592 |
11 | 13275818803488 |
12 | 509646721402032 |
13 | 21195285059025648 |
14 | 949279217570464944 |
15 | 45552467588773815744 |
16 | 2331624264279599225088 |
17 | 126804353256754734370176 |
18 | 7301857349340031590836352 |
19 | 443826900013575494233057536 |
[1,3,19,182,2328,37234,714674,16004064,409587144, 11792756640,377261048592,13275818803488, 509646721402032,21195285059025648, 949279217570464944,45552467588773815744, 2331624264279599225088,126804353256754734370176, 7301857349340031590836352, 443826900013575494233057536] |