n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 12 |
3 | 23 |
4 | 155 |
5 | 408 |
6 | 2113 |
7 | 6601 |
8 | 29844 |
9 | 102455 |
10 | 430739 |
11 | 1557744 |
12 | 6295873 |
13 | 23431057 |
14 | 92685660 |
15 | 350427287 |
16 | 1369969547 |
17 | 5224669704 |
18 | 20294334721 |
19 | 77765701465 |
20 | 301003383396 |
21 | 1156426099511 |
22 | 4467463316867 |
23 | 17188150411488 |
[1,1,12,23,155,408,2113,6601,29844,102455,430739, 1557744,6295873,23431057,92685660,350427287, 1369969547,5224669704,20294334721,77765701465, 301003383396,1156426099511,4467463316867, 17188150411488] |