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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 27 |
| 3 | 58 |
| 4 | 438 |
| 5 | 728 |
| 6 | 378 |
| 7 | 2944 |
| 8 | 2576 |
| 9 | 588 |
| 10 | 778 |
| 11 | 5936 |
| 12 | 2679 |
| 13 | 9880 |
| 14 | 2888 |
| 15 | 4788 |
| 16 | 15778 |
| 17 | 16688 |
| 18 | 9849 |
| 19 | 5998 |
| 20 | 9968 |
| 21 | 17889 |
| 22 | 69856 |
| 23 | 26999 |
| 24 | 76896 |
| 25 | 177688 |
| 26 | 167888 |
| 27 | 159996 |
| 28 | 79978 |
| 29 | 487697 |
| 30 | 188889 |
| 31 | 895696 |
| 32 | 777896 |
| 33 | 399699 |
| 34 | 869896 |
| 35 | 1879976 |
| 36 | 957999 |
| 37 | 779998 |
[4,27,58,438,728,378,2944,2576,588,778,5936,2679, 9880,2888,4788,15778,16688,9849,5998,9968,17889, 69856,26999,76896,177688,167888,159996,79978, 487697,188889,895696,777896,399699,869896,1879976, 957999,779998] |