n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 20 |
3 | 88 |
4 | 368 |
5 | 1504 |
6 | 6080 |
7 | 24448 |
8 | 98048 |
9 | 392704 |
10 | 1571840 |
11 | 6289408 |
12 | 25161728 |
13 | 100655104 |
14 | 402636800 |
15 | 1610579968 |
[1,5,20,88,368,1504,6080,24448,98048,392704, 1571840,6289408,25161728,100655104,402636800, 1610579968] |