n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 64 |
3 | 730 |
4 | 4160 |
5 | 16355 |
6 | 50816 |
7 | 134004 |
8 | 312960 |
9 | 665445 |
10 | 1312960 |
11 | 2437006 |
12 | 4298944 |
13 | 7263815 |
14 | 11828480 |
15 | 18654440 |
16 | 28605696 |
17 | 42792009 |
18 | 62617920 |
19 | 89837890 |
20 | 126617920 |
21 | 175604011 |
22 | 239997824 |
23 | 323639900 |
24 | 431100800 |
25 | 567780525 |
26 | 740016576 |
27 | 955201014 |
28 | 1221906880 |
[0,1,64,730,4160,16355,50816,134004,312960,665445, 1312960,2437006,4298944,7263815,11828480,18654440, 28605696,42792009,62617920,89837890,126617920, 175604011,239997824,323639900,431100800,567780525, 740016576,955201014,1221906880] |