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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 18 |
| 3 | 220 |
| 4 | 230 |
| 5 | 246 |
| 6 | 366 |
| 7 | 444 |
| 8 | 624 |
| 9 | 1166 |
| 10 | 1323 |
| 11 | 1462 |
| 12 | 1530 |
| 13 | 1992 |
| 14 | 2230 |
| 15 | 2406 |
| 16 | 2625 |
| 17 | 2730 |
| 18 | 3024 |
| 19 | 3125 |
| 20 | 3182 |
| 21 | 3286 |
| 22 | 3484 |
| 23 | 3606 |
| 24 | 3760 |
| 25 | 4220 |
| 26 | 5733 |
| 27 | 6372 |
| 28 | 6435 |
| 29 | 7592 |
| 30 | 8658 |
| 31 | 8856 |
| 32 | 9585 |
| 33 | 9747 |
| 34 | 10143 |
| 35 | 10850 |
| 36 | 11232 |
| 37 | 11655 |
| 38 | 13176 |
| 39 | 13230 |
| 40 | 13275 |
| 41 | 13760 |
| 42 | 14792 |
[4,18,220,230,246,366,444,624,1166,1323,1462,1530, 1992,2230,2406,2625,2730,3024,3125,3182,3286,3484, 3606,3760,4220,5733,6372,6435,7592,8658,8856,9585, 9747,10143,10850,11232,11655,13176,13230,13275, 13760,14792] |