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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 36 |
| 3 | 441 |
| 4 | 5625 |
| 5 | 6084 |
| 6 | 407044 |
| 7 | 8444836 |
| 8 | 17388900 |
| 9 | 35070084 |
| 10 | 40729924 |
| 11 | 57790404 |
| 12 | 80138304 |
| 13 | 537822481 |
| 14 | 588159504 |
| 15 | 659821969 |
| 16 | 918999225 |
| 17 | 1820387556 |
| 18 | 2179862721 |
| 19 | 2599062361 |
| 20 | 5110963081 |
| 21 | 28816420516 |
| 22 | 36144473689 |
| 23 | 46082779561 |
| 24 | 55145598561 |
| 25 | 147225690000 |
| 26 | 163405126756 |
[1,36,441,5625,6084,407044,8444836,17388900, 35070084,40729924,57790404,80138304,537822481, 588159504,659821969,918999225,1820387556, 2179862721,2599062361,5110963081,28816420516, 36144473689,46082779561,55145598561,147225690000, 163405126756] |