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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1225 |
| 3 | 818300 |
| 4 | 160310458 |
| 5 | 22727054364 |
| 6 | 2892619063243 |
| 7 | 354402440786800 |
| 8 | 42837393111682484 |
| 9 | 5153280785356119360 |
| 10 | 618914057659003904189 |
| 11 | 74290570601695876667092 |
| 12 | 8915697686087571194412590 |
| 13 | 1069916360274028756641650036 |
| 14 | 128391238501628502906890984271 |
[0,1225,818300,160310458,22727054364, 2892619063243,354402440786800,42837393111682484, 5153280785356119360,618914057659003904189, 74290570601695876667092,8915697686087571194412590, 1069916360274028756641650036, 128391238501628502906890984271] |