n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 36 |
4 | 196 |
5 | 961 |
6 | 5329 |
7 | 29584 |
8 | 160000 |
9 | 868624 |
10 | 4739329 |
11 | 25816561 |
12 | 140517316 |
13 | 765186244 |
14 | 4167218916 |
15 | 22692108321 |
16 | 123567013441 |
17 | 672885527616 |
18 | 3664192267264 |
19 | 19953231345216 |
20 | 108654793385121 |
21 | 591677262389889 |
[1,4,36,196,961,5329,29584,160000,868624,4739329, 25816561,140517316,765186244,4167218916, 22692108321,123567013441,672885527616, 3664192267264,19953231345216,108654793385121, 591677262389889] |