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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 13 |
| 3 | 30 |
| 4 | 54 |
| 5 | 95 |
| 6 | 121 |
| 7 | 185 |
| 8 | 259 |
| 9 | 376 |
| 10 | 450 |
| 11 | 643 |
| 12 | 750 |
| 13 | 992 |
| 14 | 1249 |
| 15 | 1580 |
| 16 | 1768 |
| 17 | 2232 |
| 18 | 2462 |
| 19 | 2998 |
| 20 | 3501 |
| 21 | 4117 |
| 22 | 4459 |
| 23 | 5276 |
| 24 | 5975 |
| 25 | 6855 |
| 26 | 7676 |
| 27 | 8696 |
| 28 | 9261 |
| 29 | 10648 |
| 30 | 11273 |
| 31 | 12617 |
| 32 | 13921 |
| 33 | 15437 |
| 34 | 16899 |
| 35 | 18790 |
| 36 | 19699 |
| 37 | 21588 |
| 38 | 23355 |
| 39 | 25521 |
| 40 | 26644 |
| 41 | 29216 |
| 42 | 30450 |
| 43 | 33004 |
[4,13,30,54,95,121,185,259,376,450,643,750,992, 1249,1580,1768,2232,2462,2998,3501,4117,4459,5276, 5975,6855,7676,8696,9261,10648,11273,12617,13921, 15437,16899,18790,19699,21588,23355,25521,26644, 29216,30450,33004] |