n | a(n) |
---|---|
6 | 1 |
7 | 2 |
8 | 11 |
9 | 50 |
10 | 255 |
11 | 1362 |
12 | 7746 |
13 | 46556 |
14 | 294965 |
15 | 1963865 |
16 | 13703812 |
17 | 99974851 |
18 | 760824922 |
19 | 6027441398 |
20 | 49616033975 |
21 | 423649629415 |
22 | 3746306203604 |
23 | 34259548971914 |
24 | 323564415957687 |
25 | 3152120868598090 |
26 | 31638011553779137 |
27 | 326825518800658174 |
28 | 3471291152755614386 |
[1,2,11,50,255,1362,7746,46556,294965,1963865, 13703812,99974851,760824922,6027441398, 49616033975,423649629415,3746306203604, 34259548971914,323564415957687,3152120868598090, 31638011553779137,326825518800658174, 3471291152755614386] |