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| n | a(n) |
|---|---|
| 1 | 1730 |
| 2 | 7154 |
| 3 | 28170 |
| 4 | 127586 |
| 5 | 546362 |
| 6 | 2630882 |
| 7 | 11903466 |
| 8 | 59901074 |
| 9 | 281693210 |
| 10 | 1465393634 |
| 11 | 7088270730 |
| 12 | 37835231666 |
| 13 | 186909507002 |
| 14 | 1018178950082 |
| 15 | 5110859386026 |
| 16 | 28298492397074 |
| 17 | 143792918144090 |
| 18 | 806722604366114 |
[1730,7154,28170,127586,546362,2630882,11903466, 59901074,281693210,1465393634,7088270730, 37835231666,186909507002,1018178950082, 5110859386026,28298492397074,143792918144090, 806722604366114] |