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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 32768 |
| 3 | 14348907 |
| 4 | 1073741824 |
| 5 | 30517578125 |
| 6 | 470184984576 |
| 7 | 4747561509943 |
| 8 | 35184372088832 |
| 9 | 205891132094649 |
| 10 | 1000000000000000 |
| 11 | 4177248169415651 |
| 12 | 15407021574586368 |
| 13 | 51185893014090757 |
| 14 | 155568095557812224 |
[0,1,32768,14348907,1073741824,30517578125, 470184984576,4747561509943,35184372088832, 205891132094649,1000000000000000,4177248169415651, 15407021574586368,51185893014090757, 155568095557812224] |