n | a(n) |
---|---|
9 | 1 |
10 | 1 |
11 | 5 |
12 | 19 |
13 | 55 |
14 | 143 |
15 | 335 |
16 | 715 |
17 | 1430 |
18 | 2704 |
19 | 4862 |
20 | 8398 |
21 | 14000 |
22 | 22610 |
23 | 35530 |
24 | 54484 |
25 | 81719 |
26 | 120175 |
27 | 173593 |
28 | 246675 |
29 | 345345 |
30 | 476913 |
31 | 650325 |
32 | 876525 |
33 | 1168710 |
34 | 1542684 |
35 | 2017356 |
36 | 2615104 |
37 | 3362260 |
38 | 4289780 |
39 | 5433736 |
40 | 6835972 |
[1,1,5,19,55,143,335,715,1430,2704,4862,8398, 14000,22610,35530,54484,81719,120175,173593, 246675,345345,476913,650325,876525,1168710, 1542684,2017356,2615104,3362260,4289780,5433736, 6835972] |