n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 16 |
5 | 45 |
6 | 154 |
7 | 499 |
8 | 1634 |
9 | 5888 |
10 | 20672 |
11 | 73593 |
12 | 274009 |
13 | 1005519 |
14 | 3759072 |
15 | 14335509 |
16 | 54252692 |
17 | 208982781 |
18 | 811404178 |
19 | 3144286752 |
20 | 12352600466 |
21 | 48645794723 |
22 | 191989283484 |
23 | 764771646799 |
24 | 3048041384831 |
25 | 12199723310941 |
26 | 49103289442878 |
27 | 197753021277819 |
28 | 800089083193025 |
29 | 3247148044051183 |
[1,1,2,6,16,45,154,499,1634,5888,20672,73593, 274009,1005519,3759072,14335509,54252692, 208982781,811404178,3144286752,12352600466, 48645794723,191989283484,764771646799, 3048041384831,12199723310941,49103289442878, 197753021277819,800089083193025,3247148044051183] |