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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 9 |
| 3 | 42 |
| 4 | 180 |
| 5 | 285 |
| 6 | 414 |
| 7 | 567 |
| 8 | 945 |
| 9 | 1109 |
| 10 | 1419 |
| 11 | 2310 |
| 12 | 2655 |
| 13 | 3024 |
| 14 | 4275 |
| 15 | 4740 |
| 16 | 5229 |
| 17 | 5742 |
| 18 | 8034 |
| 19 | 10005 |
| 20 | 10710 |
| 21 | 12192 |
| 22 | 14595 |
| 23 | 15444 |
| 24 | 16317 |
| 25 | 18135 |
| 26 | 19080 |
| 27 | 20049 |
| 28 | 21042 |
| 29 | 22306 |
| 30 | 26367 |
| 31 | 28665 |
| 32 | 29850 |
| 33 | 34830 |
| 34 | 36135 |
| 35 | 38817 |
| 36 | 43020 |
| 37 | 45942 |
| 38 | 56925 |
| 39 | 58590 |
| 40 | 61992 |
| 41 | 65490 |
[0,9,42,180,285,414,567,945,1109,1419,2310,2655, 3024,4275,4740,5229,5742,8034,10005,10710,12192, 14595,15444,16317,18135,19080,20049,21042,22306, 26367,28665,29850,34830,36135,38817,43020,45942, 56925,58590,61992,65490] |