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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 65 |
| 3 | 13247 |
| 4 | 704707 |
| 5 | 660278641 |
| 6 | 357852111131 |
| 7 | 309349386395887 |
| 8 | 240498440880062263 |
| 9 | 148443546307725010253 |
| 10 | 61760947097005048531 |
| 11 | 13658972396318235617977 |
| 12 | 723464275788899734058353751 |
| 13 | 489812222050789870424202126629 |
| 14 | 2614176630672654770175367214389 |
| 15 | 204702102697072009862200307064701369 |
[0,1,65,13247,704707,660278641,357852111131, 309349386395887,240498440880062263, 148443546307725010253,61760947097005048531, 13658972396318235617977, 723464275788899734058353751, 489812222050789870424202126629, 2614176630672654770175367214389, 204702102697072009862200307064701369] |