n | a(n) |
---|---|
0 | 1 |
1 | 42 |
2 | 2145 |
3 | 117572 |
4 | 6686100 |
5 | 388934370 |
6 | 22974421470 |
7 | 1372238454600 |
8 | 82653088824684 |
9 | 5011211083256840 |
10 | 305437356823765089 |
11 | 18697712969443807572 |
12 | 1148770108115543559100 |
13 | 70797430141465286938140 |
14 | 4374750896947475198160300 |
15 | 270950190057528375091435920 |
[1,42,2145,117572,6686100,388934370,22974421470, 1372238454600,82653088824684,5011211083256840, 305437356823765089,18697712969443807572, 1148770108115543559100,70797430141465286938140, 4374750896947475198160300, 270950190057528375091435920] |