n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 52 |
5 | 247 |
6 | 1226 |
7 | 6299 |
8 | 33209 |
9 | 178618 |
10 | 976296 |
11 | 5407384 |
12 | 30283120 |
13 | 171196956 |
14 | 975662480 |
15 | 5599508648 |
16 | 32334837886 |
17 | 187737500013 |
18 | 1095295264857 |
19 | 6417886638389 |
20 | 37752602033079 |
21 | 222861754454841 |
22 | 1319834477009635 |
23 | 7839314017612273 |
24 | 46688045740233741 |
[1,1,3,12,52,247,1226,6299,33209,178618,976296, 5407384,30283120,171196956,975662480,5599508648, 32334837886,187737500013,1095295264857, 6417886638389,37752602033079,222861754454841, 1319834477009635,7839314017612273, 46688045740233741] |