| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 324 |
| 4 | 1098 |
| 5 | 3094 |
| 6 | 7272 |
| 7 | 18150 |
| 8 | 46716 |
| 9 | 116932 |
| 10 | 285200 |
| 11 | 697034 |
| 12 | 1720944 |
| 13 | 4216816 |
| 14 | 10262124 |
| 15 | 25016808 |
| 16 | 61035720 |
| 17 | 148655892 |
| 18 | 361558434 |
| 19 | 879459498 |
| 20 | 2139482884 |
| 21 | 5202203050 |
| 22 | 12645158420 |
| 23 | 30736681900 |
| 24 | 74709969008 |
| 25 | 181571105898 |
[16,256,324,1098,3094,7272,18150,46716,116932, 285200,697034,1720944,4216816,10262124,25016808, 61035720,148655892,361558434,879459498,2139482884, 5202203050,12645158420,30736681900,74709969008, 181571105898] |