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| n | a(n) |
|---|---|
| 1 | 804 |
| 2 | 3906 |
| 3 | 22018 |
| 4 | 127405 |
| 5 | 755743 |
| 6 | 4512712 |
| 7 | 27083790 |
| 8 | 162834668 |
| 9 | 980088758 |
| 10 | 5901773754 |
| 11 | 35547767796 |
| 12 | 214137547797 |
| 13 | 1290032760320 |
| 14 | 7771799443119 |
| 15 | 46821922365444 |
| 16 | 282085134351092 |
| 17 | 1699467525972993 |
| 18 | 10238736958233298 |
[804,3906,22018,127405,755743,4512712,27083790, 162834668,980088758,5901773754,35547767796, 214137547797,1290032760320,7771799443119, 46821922365444,282085134351092,1699467525972993, 10238736958233298] |