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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 64 |
| 3 | 1125 |
| 4 | 29241 |
| 5 | 670480 |
| 6 | 15594601 |
| 7 | 361199937 |
| 8 | 8366395024 |
| 9 | 193788877917 |
| 10 | 4488512569321 |
| 11 | 103963620831296 |
| 12 | 2408013388109169 |
| 13 | 55774648500091873 |
| 14 | 1291857814182989824 |
| 15 | 29922137343175603701 |
| 16 | 693059476202859612025 |
[1,64,1125,29241,670480,15594601,361199937, 8366395024,193788877917,4488512569321, 103963620831296,2408013388109169, 55774648500091873,1291857814182989824, 29922137343175603701,693059476202859612025] |