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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 36 |
| 2 | 1224 |
| 3 | 41580 |
| 4 | 1412496 |
| 5 | 47983284 |
| 6 | 1630019160 |
| 7 | 55372668156 |
| 8 | 1881040698144 |
| 9 | 63900011068740 |
| 10 | 2170719335639016 |
| 11 | 73740557400657804 |
| 12 | 2505008232286726320 |
| 13 | 85096539340348037076 |
| 14 | 2890777329339546534264 |
| 15 | 98201332658204234127900 |
| 16 | 3335954533049604413814336 |
[1,36,1224,41580,1412496,47983284,1630019160, 55372668156,1881040698144,63900011068740, 2170719335639016,73740557400657804, 2505008232286726320,85096539340348037076, 2890777329339546534264,98201332658204234127900, 3335954533049604413814336] |