n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 9 |
4 | 25 |
5 | 121 |
6 | 441 |
7 | 1849 |
8 | 7225 |
9 | 29241 |
10 | 116281 |
11 | 466489 |
12 | 1863225 |
13 | 7458361 |
14 | 29822521 |
15 | 119311929 |
16 | 477204025 |
17 | 1908903481 |
18 | 7635439161 |
19 | 30542106169 |
20 | 122167725625 |
21 | 488672300601 |
22 | 1954686406201 |
23 | 7818751217209 |
24 | 31274993684025 |
[0,1,1,9,25,121,441,1849,7225,29241,116281,466489, 1863225,7458361,29822521,119311929,477204025, 1908903481,7635439161,30542106169,122167725625, 488672300601,1954686406201,7818751217209, 31274993684025] |