n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 12 |
5 | 146 |
6 | 5847 |
7 | 716141 |
8 | 300635753 |
9 | 430472002801 |
10 | 2117649544384420 |
11 | 36154420408979339192 |
12 | 2165755991529764630384554 |
13 | 459803603042851200545393118005 |
[0,1,1,2,12,146,5847,716141,300635753, 430472002801,2117649544384420, 36154420408979339192,2165755991529764630384554, 459803603042851200545393118005] |