n | a(n) |
---|---|
0 | 4 |
1 | 36 |
2 | 225 |
3 | 1600 |
4 | 10816 |
5 | 74529 |
6 | 509796 |
7 | 3496900 |
8 | 23961025 |
9 | 164249856 |
10 | 1125736704 |
11 | 7716041281 |
12 | 52886200900 |
13 | 362488284900 |
14 | 2484529385121 |
15 | 17029223715904 |
16 | 116720020119616 |
17 | 800010960336225 |
18 | 5483356589096100 |
19 | 37583485459535236 |
20 | 257601040852192129 |
[4,36,225,1600,10816,74529,509796,3496900, 23961025,164249856,1125736704,7716041281, 52886200900,362488284900,2484529385121, 17029223715904,116720020119616,800010960336225, 5483356589096100,37583485459535236, 257601040852192129] |