n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 6 |
4 | 114 |
5 | 843 |
6 | 4122 |
7 | 14988 |
8 | 45414 |
9 | 119340 |
10 | 281442 |
11 | 608616 |
12 | 1228812 |
13 | 2338779 |
14 | 4240284 |
15 | 7371414 |
16 | 12354156 |
17 | 20052846 |
18 | 31653108 |
19 | 48726846 |
20 | 73358964 |
21 | 108233781 |
22 | 156793974 |
23 | 223400004 |
24 | 313529940 |
25 | 433929258 |
26 | 592922880 |
27 | 800651538 |
28 | 1069378740 |
[0,0,6,114,843,4122,14988,45414,119340,281442, 608616,1228812,2338779,4240284,7371414,12354156, 20052846,31653108,48726846,73358964,108233781, 156793974,223400004,313529940,433929258,592922880, 800651538,1069378740] |