n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 27 |
5 | 91 |
6 | 347 |
7 | 859 |
8 | 2907 |
9 | 11099 |
10 | 43867 |
11 | 109403 |
12 | 371547 |
13 | 1420123 |
14 | 5614427 |
15 | 22391643 |
16 | 55946075 |
17 | 190163803 |
18 | 727034715 |
19 | 2874518363 |
20 | 11464452955 |
21 | 45824191323 |
22 | 114543668059 |
23 | 389421575003 |
[0,1,3,11,27,91,347,859,2907,11099,43867,109403, 371547,1420123,5614427,22391643,55946075, 190163803,727034715,2874518363,11464452955, 45824191323,114543668059,389421575003] |