n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 16 |
5 | 100 |
6 | 676 |
7 | 4900 |
8 | 40000 |
9 | 362404 |
10 | 3625216 |
11 | 39904489 |
12 | 478996996 |
13 | 6226945921 |
14 | 87177877081 |
15 | 1307672296225 |
16 | 20922784184449 |
17 | 355687416544329 |
18 | 6402373660047556 |
19 | 121645099966283776 |
20 | 2432902006216007824 |
21 | 51090942169052381124 |
22 | 1124000727752683686724 |
[1,1,1,4,16,100,676,4900,40000,362404,3625216, 39904489,478996996,6226945921,87177877081, 1307672296225,20922784184449,355687416544329, 6402373660047556,121645099966283776, 2432902006216007824,51090942169052381124, 1124000727752683686724] |