n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 41 |
5 | 206 |
6 | 1150 |
7 | 7023 |
8 | 46279 |
9 | 325845 |
10 | 2432608 |
11 | 19138508 |
12 | 157893016 |
13 | 1360356046 |
14 | 12197663221 |
15 | 113489506443 |
16 | 1092914231524 |
17 | 10869407462093 |
18 | 111421588497433 |
19 | 1175241503062627 |
20 | 12735340966302227 |
21 | 141585732942425447 |
22 | 1612917155538690101 |
[1,1,2,9,41,206,1150,7023,46279,325845,2432608, 19138508,157893016,1360356046,12197663221, 113489506443,1092914231524,10869407462093, 111421588497433,1175241503062627, 12735340966302227,141585732942425447, 1612917155538690101] |