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| n | a(n) |
|---|---|
| 1 | 687 |
| 2 | 1186 |
| 3 | 1631 |
| 4 | 1906 |
| 5 | 1994 |
| 6 | 2391 |
| 7 | 3107 |
| 8 | 3687 |
| 9 | 3755 |
| 10 | 4786 |
| 11 | 5991 |
| 12 | 6155 |
| 13 | 6218 |
| 14 | 7715 |
| 15 | 7967 |
| 16 | 8306 |
| 17 | 8327 |
| 18 | 8351 |
| 19 | 9298 |
| 20 | 9731 |
| 21 | 9995 |
| 22 | 11567 |
| 23 | 12178 |
| 24 | 12938 |
| 25 | 13391 |
| 26 | 13607 |
| 27 | 13787 |
| 28 | 13863 |
| 29 | 14367 |
| 30 | 15434 |
| 31 | 15506 |
| 32 | 15578 |
| 33 | 16595 |
| 34 | 16658 |
| 35 | 16706 |
| 36 | 17039 |
| 37 | 17687 |
| 38 | 18663 |
| 39 | 19466 |
| 40 | 19631 |
| 41 | 21687 |
[687,1186,1631,1906,1994,2391,3107,3687,3755,4786, 5991,6155,6218,7715,7967,8306,8327,8351,9298,9731, 9995,11567,12178,12938,13391,13607,13787,13863, 14367,15434,15506,15578,16595,16658,16706,17039, 17687,18663,19466,19631,21687] |