n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 14 |
4 | 48 |
5 | 1266 |
6 | 1988 |
7 | 21514 |
8 | 49392 |
9 | 171032 |
10 | 242964 |
11 | 882708 |
12 | 1487996 |
13 | 3650020 |
14 | 4913620 |
15 | 9374594 |
16 | 14382448 |
17 | 29859148 |
18 | 38410016 |
19 | 71427550 |
20 | 97525500 |
21 | 147544988 |
22 | 186821472 |
23 | 320133640 |
24 | 399015644 |
25 | 605818854 |
26 | 740618592 |
27 | 1061345430 |
28 | 1349418108 |
29 | 2017326672 |
30 | 2390222900 |
[0,0,14,48,1266,1988,21514,49392,171032,242964, 882708,1487996,3650020,4913620,9374594,14382448, 29859148,38410016,71427550,97525500,147544988, 186821472,320133640,399015644,605818854,740618592, 1061345430,1349418108,2017326672,2390222900] |