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| n | a(n) |
|---|---|
| 1 | 4402192 |
| 2 | 9694276684 |
| 3 | 21290108702694 |
| 4 | 46773822117508382 |
| 5 | 102755730987812117952 |
| 6 | 225741948376039857049980 |
| 7 | 495927352523356139887864420 |
| 8 | 1089491673865425887607249889930 |
[4402192,9694276684,21290108702694, 46773822117508382,102755730987812117952, 225741948376039857049980, 495927352523356139887864420, 1089491673865425887607249889930] |