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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 39 |
| 6 | 46 |
| 7 | 57 |
| 8 | 72 |
| 9 | 91 |
| 10 | 112 |
| 11 | 123 |
| 12 | 129 |
| 13 | 886 |
| 14 | 1233 |
| 15 | 1537 |
| 16 | 2062 |
| 17 | 2590 |
| 18 | 2785 |
| 19 | 3144 |
| 20 | 21687 |
| 21 | 32380 |
| 22 | 39169 |
| 23 | 47790 |
| 24 | 83877 |
[0,1,4,9,39,46,57,72,91,112,123,129,886,1233,1537, 2062,2590,2785,3144,21687,32380,39169,47790,83877] |