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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 18 |
| 5 | 27 |
| 6 | 40 |
| 7 | 55 |
| 8 | 72 |
| 9 | 89 |
| 10 | 113 |
| 11 | 140 |
| 12 | 167 |
| 13 | 194 |
| 14 | 221 |
| 15 | 253 |
| 16 | 294 |
| 17 | 329 |
| 18 | 369 |
| 19 | 419 |
| 20 | 452 |
| 21 | 502 |
| 22 | 552 |
| 23 | 618 |
| 24 | 677 |
| 25 | 721 |
| 26 | 776 |
| 27 | 836 |
| 28 | 894 |
| 29 | 976 |
| 30 | 1049 |
| 31 | 1121 |
| 32 | 1175 |
| 33 | 1248 |
| 34 | 1348 |
| 35 | 1415 |
| 36 | 1489 |
| 37 | 1574 |
| 38 | 1658 |
| 39 | 1756 |
| 40 | 1845 |
| 41 | 1925 |
| 42 | 2037 |
| 43 | 2122 |
| 44 | 2224 |
| 45 | 2356 |
| 46 | 2442 |
| 47 | 2551 |
| 48 | 2635 |
| 49 | 2762 |
| 50 | 2875 |
| 51 | 3000 |
[1,4,9,18,27,40,55,72,89,113,140,167,194,221,253, 294,329,369,419,452,502,552,618,677,721,776,836, 894,976,1049,1121,1175,1248,1348,1415,1489,1574, 1658,1756,1845,1925,2037,2122,2224,2356,2442,2551, 2635,2762,2875,3000] |