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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 28 |
| 3 | 91 |
| 4 | 121 |
| 5 | 286 |
| 6 | 532 |
| 7 | 671 |
| 8 | 703 |
| 9 | 949 |
| 10 | 1036 |
| 11 | 1105 |
| 12 | 1541 |
| 13 | 1729 |
| 14 | 1891 |
| 15 | 2465 |
| 16 | 2665 |
| 17 | 2701 |
| 18 | 2821 |
| 19 | 3281 |
| 20 | 3367 |
| 21 | 3751 |
| 22 | 4636 |
| 23 | 4961 |
| 24 | 5551 |
| 25 | 6364 |
| 26 | 6601 |
| 27 | 7381 |
| 28 | 8401 |
| 29 | 8911 |
| 30 | 10585 |
| 31 | 11011 |
| 32 | 11476 |
| 33 | 12403 |
| 34 | 14383 |
| 35 | 15203 |
| 36 | 15457 |
| 37 | 15841 |
| 38 | 16471 |
| 39 | 16531 |
| 40 | 18721 |
| 41 | 19345 |
| 42 | 19684 |
| 43 | 23521 |
| 44 | 24046 |
| 45 | 24661 |
| 46 | 24727 |
[4,28,91,121,286,532,671,703,949,1036,1105,1541, 1729,1891,2465,2665,2701,2821,3281,3367,3751,4636, 4961,5551,6364,6601,7381,8401,8911,10585,11011, 11476,12403,14383,15203,15457,15841,16471,16531, 18721,19345,19684,23521,24046,24661,24727] |