n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 144 |
3 | 2268 |
4 | 18688 |
5 | 78750 |
6 | 326592 |
7 | 825944 |
8 | 2396160 |
9 | 4966677 |
10 | 11340000 |
11 | 19501812 |
12 | 42384384 |
13 | 62777078 |
14 | 118935936 |
15 | 178605000 |
16 | 306774016 |
17 | 410422194 |
18 | 715201488 |
19 | 894002060 |
20 | 1471680000 |
21 | 1873240992 |
22 | 2808260928 |
23 | 3405105288 |
24 | 5434490880 |
25 | 6152734375 |
26 | 9039899232 |
[0,1,144,2268,18688,78750,326592,825944,2396160, 4966677,11340000,19501812,42384384,62777078, 118935936,178605000,306774016,410422194,715201488, 894002060,1471680000,1873240992,2808260928, 3405105288,5434490880,6152734375,9039899232] |