n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 11 |
6 | 41 |
7 | 162 |
8 | 715 |
9 | 3425 |
10 | 16777 |
11 | 80928 |
12 | 379347 |
13 | 1726375 |
14 | 7654817 |
15 | 33219630 |
16 | 141692075 |
17 | 596122477 |
18 | 2480969257 |
19 | 10237751324 |
20 | 41963944275 |
21 | 171103765747 |
22 | 694775280993 |
23 | 2812004330666 |
24 | 11352134320523 |
25 | 45736973060601 |
26 | 183981143571721 |
27 | 739167464021912 |
28 | 2966826380664595 |
29 | 11899055223201855 |
[0,0,1,1,4,11,41,162,715,3425,16777,80928,379347, 1726375,7654817,33219630,141692075,596122477, 2480969257,10237751324,41963944275,171103765747, 694775280993,2812004330666,11352134320523, 45736973060601,183981143571721,739167464021912, 2966826380664595,11899055223201855] |