n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 5 |
5 | 18 |
6 | 53 |
7 | 135 |
8 | 305 |
9 | 633 |
10 | 1220 |
11 | 2217 |
12 | 3834 |
13 | 6359 |
14 | 10172 |
15 | 15776 |
16 | 23807 |
17 | 35075 |
18 | 50585 |
19 | 71576 |
20 | 99551 |
21 | 136332 |
22 | 184084 |
23 | 245384 |
24 | 323260 |
25 | 421256 |
26 | 543484 |
27 | 694709 |
28 | 880393 |
29 | 1106798 |
30 | 1381049 |
31 | 1711231 |
32 | 2106469 |
33 | 2577049 |
34 | 3134488 |
35 | 3791677 |
36 | 4562974 |
37 | 5464339 |
38 | 6513448 |
[0,0,0,1,5,18,53,135,305,633,1220,2217,3834,6359, 10172,15776,23807,35075,50585,71576,99551,136332, 184084,245384,323260,421256,543484,694709,880393, 1106798,1381049,1711231,2106469,2577049,3134488, 3791677,4562974,5464339,6513448] |