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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 30 |
| 3 | 543 |
| 4 | 14745 |
| 5 | 546618 |
| 6 | 26119965 |
| 7 | 1547467743 |
| 8 | 110507211390 |
| 9 | 9310580616243 |
| 10 | 910032696123645 |
| 11 | 101790848712790218 |
| 12 | 12883623878563854105 |
| 13 | 1827803943114479006043 |
| 14 | 288318381606931126782270 |
| 15 | 50215020818975432279332743 |
| 16 | 9597691024295026236008687265 |
[1,3,30,543,14745,546618,26119965,1547467743, 110507211390,9310580616243,910032696123645, 101790848712790218,12883623878563854105, 1827803943114479006043,288318381606931126782270, 50215020818975432279332743, 9597691024295026236008687265] |