n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 57 |
5 | 241 |
6 | 1008 |
7 | 4229 |
8 | 17727 |
9 | 74326 |
10 | 311613 |
11 | 1306469 |
12 | 5477472 |
13 | 22964761 |
14 | 96281643 |
15 | 403668734 |
16 | 1692414417 |
17 | 7095586921 |
18 | 29748832848 |
19 | 124724433149 |
20 | 522917463687 |
21 | 2192374556806 |
22 | 9191710988853 |
23 | 38537005750589 |
[0,1,3,14,57,241,1008,4229,17727,74326,311613, 1306469,5477472,22964761,96281643,403668734, 1692414417,7095586921,29748832848,124724433149, 522917463687,2192374556806,9191710988853, 38537005750589] |