n | a(n) |
---|---|
0 | 0 |
1 | 10 |
2 | 264 |
3 | 2052 |
4 | 9280 |
5 | 30750 |
6 | 83160 |
7 | 194824 |
8 | 410112 |
9 | 794610 |
10 | 1441000 |
11 | 2475660 |
12 | 4065984 |
13 | 6428422 |
14 | 9837240 |
15 | 14634000 |
16 | 21237760 |
17 | 30155994 |
18 | 41996232 |
19 | 57478420 |
20 | 77448000 |
21 | 102889710 |
22 | 134942104 |
23 | 174912792 |
24 | 224294400 |
25 | 284781250 |
26 | 358286760 |
27 | 446961564 |
28 | 553212352 |
[0,10,264,2052,9280,30750,83160,194824,410112, 794610,1441000,2475660,4065984,6428422,9837240, 14634000,21237760,30155994,41996232,57478420, 77448000,102889710,134942104,174912792,224294400, 284781250,358286760,446961564,553212352] |