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| n | a(n) |
|---|---|
| 1 | 178464 |
| 2 | 8840905 |
| 3 | 432047816 |
| 4 | 21111771232 |
| 5 | 1030570080608 |
| 6 | 50306732887149 |
| 7 | 2455509770023748 |
| 8 | 119855189715624816 |
| 9 | 5850184020893059584 |
| 10 | 285550010593205974009 |
| 11 | 13937813362561049133972 |
| 12 | 680310394336994074070032 |
[178464,8840905,432047816,21111771232, 1030570080608,50306732887149,2455509770023748, 119855189715624816,5850184020893059584, 285550010593205974009,13937813362561049133972, 680310394336994074070032] |