n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 22 |
4 | 68 |
5 | 170 |
6 | 484 |
7 | 1166 |
8 | 3048 |
9 | 7274 |
10 | 18000 |
11 | 41806 |
12 | 100684 |
13 | 229258 |
14 | 535692 |
15 | 1206230 |
16 | 2758944 |
17 | 6123650 |
18 | 13798088 |
19 | 30284894 |
20 | 67272756 |
21 | 146426002 |
22 | 321513284 |
23 | 693944814 |
24 | 1510245960 |
25 | 3236648578 |
26 | 6985572672 |
27 | 14885926182 |
28 | 31904642348 |
29 | 67618415690 |
[1,2,8,22,68,170,484,1166,3048,7274,18000,41806, 100684,229258,535692,1206230,2758944,6123650, 13798088,30284894,67272756,146426002,321513284, 693944814,1510245960,3236648578,6985572672, 14885926182,31904642348,67618415690] |