n | a(n) |
---|---|
6 | 0 |
7 | 1 |
8 | 127 |
9 | 3025 |
10 | 34105 |
11 | 246730 |
12 | 1323652 |
13 | 5715424 |
14 | 20912320 |
15 | 67128490 |
16 | 193754990 |
17 | 512060978 |
18 | 1256328866 |
19 | 2892439160 |
20 | 6302524580 |
21 | 13087462580 |
22 | 26046574004 |
23 | 49916988803 |
24 | 92484925445 |
25 | 166218969675 |
26 | 290622864675 |
27 | 495564056130 |
28 | 825906183960 |
29 | 1347860993700 |
[0,1,127,3025,34105,246730,1323652,5715424, 20912320,67128490,193754990,512060978,1256328866, 2892439160,6302524580,13087462580,26046574004, 49916988803,92484925445,166218969675,290622864675, 495564056130,825906183960,1347860993700] |