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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 15 |
| 4 | 75 |
| 5 | 105 |
| 6 | 315 |
| 7 | 525 |
| 8 | 735 |
| 9 | 945 |
| 10 | 1155 |
| 11 | 1365 |
| 12 | 1575 |
| 13 | 1995 |
| 14 | 3465 |
| 15 | 4305 |
| 16 | 5775 |
| 17 | 6615 |
| 18 | 7035 |
| 19 | 8085 |
| 20 | 8925 |
| 21 | 9765 |
| 22 | 10395 |
| 23 | 11235 |
| 24 | 12495 |
| 25 | 12705 |
| 26 | 13545 |
| 27 | 15015 |
| 28 | 19635 |
| 29 | 26565 |
| 30 | 28875 |
| 31 | 31185 |
| 32 | 33495 |
| 33 | 38115 |
| 34 | 45045 |
| 35 | 255255 |
| 36 | 405405 |
| 37 | 525525 |
| 38 | 765765 |
| 39 | 975975 |
| 40 | 1036035 |
| 41 | 1786785 |
| 42 | 2297295 |
[1,9,15,75,105,315,525,735,945,1155,1365,1575, 1995,3465,4305,5775,6615,7035,8085,8925,9765, 10395,11235,12495,12705,13545,15015,19635,26565, 28875,31185,33495,38115,45045,255255,405405, 525525,765765,975975,1036035,1786785,2297295] |