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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 20 |
| 4 | 29 |
| 5 | 61 |
| 6 | 76 |
| 7 | 124 |
| 8 | 145 |
| 9 | 209 |
| 10 | 236 |
| 11 | 316 |
| 12 | 349 |
| 13 | 445 |
| 14 | 484 |
| 15 | 596 |
| 16 | 641 |
| 17 | 769 |
| 18 | 820 |
| 19 | 964 |
| 20 | 1021 |
| 21 | 1181 |
| 22 | 1244 |
| 23 | 1420 |
| 24 | 1489 |
| 25 | 1681 |
| 26 | 1756 |
| 27 | 1964 |
| 28 | 2045 |
| 29 | 2269 |
| 30 | 2356 |
| 31 | 2596 |
| 32 | 2689 |
| 33 | 2945 |
| 34 | 3044 |
| 35 | 3316 |
| 36 | 3421 |
| 37 | 3709 |
| 38 | 3820 |
| 39 | 4124 |
| 40 | 4241 |
| 41 | 4561 |
| 42 | 4684 |
| 43 | 5020 |
| 44 | 5149 |
| 45 | 5501 |
| 46 | 5636 |
| 47 | 6004 |
[1,4,20,29,61,76,124,145,209,236,316,349,445,484, 596,641,769,820,964,1021,1181,1244,1420,1489,1681, 1756,1964,2045,2269,2356,2596,2689,2945,3044,3316, 3421,3709,3820,4124,4241,4561,4684,5020,5149,5501, 5636,6004] |