n | a(n) |
---|---|
0 | 1 |
1 | 13 |
2 | 156 |
3 | 1872 |
4 | 22464 |
5 | 269568 |
6 | 3234816 |
7 | 38817792 |
8 | 465813504 |
9 | 5589762048 |
10 | 67077144576 |
11 | 804925734834 |
12 | 9659108817072 |
13 | 115909305793710 |
14 | 1390911669390672 |
15 | 16690940031081888 |
16 | 200291280353708544 |
[1,13,156,1872,22464,269568,3234816,38817792, 465813504,5589762048,67077144576,804925734834, 9659108817072,115909305793710,1390911669390672, 16690940031081888,200291280353708544] |