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A099185 as a simple table
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 6 |
| 2 | 146 |
| 3 | 2074806 |
| 4 | 5954444157018557346 |
| 5 | 140744820294208035204656447906095566299588102457814757606 |
[2,6,146,2074806,5954444157018557346, 14074482029420803520465644790609556629958810245781\ 4757606] |