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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 22 |
| 2 | 116263 |
| 3 | 57733506640 |
| 4 | 98149884074667116 |
| 5 | 200386212932492140762672 |
| 6 | 418829370245413954052212657987 |
| 7 | 877979540384895591800176962368065072 |
| 8 | 1841159754991692001851990839259642586671980 |
| 9 | 3861166489120966379893685013624485791901912419888 |
[1,22,116263,57733506640,98149884074667116, 200386212932492140762672, 418829370245413954052212657987, 877979540384895591800176962368065072, 1841159754991692001851990839259642586671980, 3861166489120966379893685013624485791901912419888] |