n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 16 |
4 | 72 |
5 | 243 |
6 | 1125 |
7 | 5000 |
8 | 20480 |
9 | 86528 |
10 | 371293 |
11 | 1565109 |
12 | 6612354 |
13 | 28063056 |
14 | 118894600 |
15 | 503284375 |
16 | 2132531225 |
17 | 9034882704 |
18 | 38268370944 |
19 | 162106085376 |
20 | 686719856393 |
21 | 2908947562937 |
22 | 12322398111010 |
23 | 52198820570000 |
[1,2,16,72,243,1125,5000,20480,86528,371293, 1565109,6612354,28063056,118894600,503284375, 2132531225,9034882704,38268370944,162106085376, 686719856393,2908947562937,12322398111010, 52198820570000] |