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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2312 |
| 2 | 940304 |
| 3 | 150520856 |
| 4 | 12965069856 |
| 5 | 701919677736 |
| 6 | 26264683610416 |
| 7 | 724686197748792 |
| 8 | 15457705525059648 |
| 9 | 264270273042626888 |
| 10 | 3726188961968144720 |
| 11 | 44345690012462451800 |
| 12 | 454067083245862114400 |
| 13 | 4064864822641854287208 |
| 14 | 32251902538009432840560 |
| 15 | 229473314054506131049592 |
[1,2312,940304,150520856,12965069856,701919677736, 26264683610416,724686197748792,15457705525059648, 264270273042626888,3726188961968144720, 44345690012462451800,454067083245862114400, 4064864822641854287208,32251902538009432840560, 229473314054506131049592] |