n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 17 |
4 | 40 |
5 | 99 |
6 | 246 |
7 | 642 |
8 | 1690 |
9 | 4554 |
10 | 12436 |
11 | 34132 |
12 | 95230 |
13 | 263934 |
14 | 744956 |
15 | 2075132 |
16 | 5892430 |
17 | 16456014 |
18 | 46871196 |
19 | 131068572 |
20 | 373897870 |
21 | 1046231694 |
22 | 2986898716 |
23 | 8360588572 |
24 | 23878057870 |
25 | 66847653774 |
26 | 190955945756 |
27 | 534633021212 |
28 | 1527373517710 |
29 | 4276471354254 |
[1,3,7,17,40,99,246,642,1690,4554,12436,34132, 95230,263934,744956,2075132,5892430,16456014, 46871196,131068572,373897870,1046231694, 2986898716,8360588572,23878057870,66847653774, 190955945756,534633021212,1527373517710, 4276471354254] |