n | a(n) |
---|---|
1 | 16 |
2 | 256 |
3 | 784 |
4 | 4489 |
5 | 15376 |
6 | 43264 |
7 | 167281 |
8 | 609961 |
9 | 1974025 |
10 | 6927424 |
11 | 24750625 |
12 | 84456100 |
13 | 291931396 |
14 | 1024704121 |
15 | 3549895561 |
16 | 12285283921 |
17 | 42796024384 |
18 | 148698928225 |
19 | 515713569424 |
20 | 1792246207504 |
21 | 6227984421649 |
22 | 21622397700121 |
[16,256,784,4489,15376,43264,167281,609961, 1974025,6927424,24750625,84456100,291931396, 1024704121,3549895561,12285283921,42796024384, 148698928225,515713569424,1792246207504, 6227984421649,21622397700121] |