n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 17 |
3 | 98 |
4 | 490 |
5 | 2411 |
6 | 11940 |
7 | 56093 |
8 | 256274 |
9 | 1140980 |
10 | 4977222 |
11 | 21273772 |
12 | 89281011 |
13 | 368408970 |
14 | 1496993290 |
15 | 5996312751 |
16 | 23700208290 |
17 | 92510062036 |
18 | 356887002352 |
19 | 1361671469470 |
20 | 5141380256124 |
21 | 19221678032134 |
22 | 71190778935805 |
23 | 261320839754142 |
24 | 951091521384860 |
[1,1,17,98,490,2411,11940,56093,256274,1140980, 4977222,21273772,89281011,368408970,1496993290, 5996312751,23700208290,92510062036,356887002352, 1361671469470,5141380256124,19221678032134, 71190778935805,261320839754142,951091521384860] |