n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 18 |
4 | 55 |
5 | 143 |
6 | 333 |
7 | 715 |
8 | 1430 |
9 | 2700 |
10 | 4862 |
11 | 8398 |
12 | 13995 |
13 | 22610 |
14 | 35530 |
15 | 54477 |
16 | 81719 |
17 | 120175 |
18 | 173583 |
19 | 246675 |
20 | 345345 |
21 | 476901 |
22 | 650325 |
23 | 876525 |
24 | 1168695 |
25 | 1542684 |
26 | 2017356 |
27 | 2615085 |
28 | 3362260 |
29 | 4289780 |
30 | 5433714 |
31 | 6835972 |
32 | 8544965 |
33 | 10616463 |
34 | 13114465 |
35 | 16112057 |
[0,1,5,18,55,143,333,715,1430,2700,4862,8398, 13995,22610,35530,54477,81719,120175,173583, 246675,345345,476901,650325,876525,1168695, 1542684,2017356,2615085,3362260,4289780,5433714, 6835972,8544965,10616463,13114465,16112057] |