n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 45 |
5 | 197 |
6 | 895 |
7 | 4143 |
8 | 19353 |
9 | 90793 |
10 | 426811 |
11 | 2008307 |
12 | 9454021 |
13 | 44513581 |
14 | 209609143 |
15 | 987068631 |
16 | 4648293425 |
17 | 21889908177 |
18 | 103085198195 |
19 | 485455690843 |
20 | 2286142563933 |
21 | 10766070546453 |
22 | 50700381312751 |
23 | 238762035742207 |
24 | 1124396126301641 |
25 | 5295090872259961 |
[1,1,3,11,45,197,895,4143,19353,90793,426811, 2008307,9454021,44513581,209609143,987068631, 4648293425,21889908177,103085198195,485455690843, 2286142563933,10766070546453,50700381312751, 238762035742207,1124396126301641,5295090872259961] |