n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 8 |
4 | 23 |
5 | 77 |
6 | 254 |
7 | 921 |
8 | 3249 |
9 | 12133 |
10 | 44937 |
11 | 172329 |
12 | 654895 |
13 | 2565963 |
14 | 9956885 |
15 | 39536964 |
16 | 156047622 |
17 | 626262315 |
18 | 2499486155 |
19 | 10129445626 |
20 | 40810378668 |
21 | 166475139700 |
22 | 676304156461 |
23 | 2775117950448 |
24 | 11342074888693 |
25 | 46785595997544 |
26 | 192244951610575 |
27 | 796245213910406 |
[1,2,3,8,23,77,254,921,3249,12133,44937,172329, 654895,2565963,9956885,39536964,156047622, 626262315,2499486155,10129445626,40810378668, 166475139700,676304156461,2775117950448, 11342074888693,46785595997544,192244951610575, 796245213910406] |