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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 21 |
| 2 | 44 |
| 3 | 69 |
| 4 | 96 |
| 5 | 125 |
| 6 | 156 |
| 7 | 189 |
| 8 | 224 |
| 9 | 261 |
| 10 | 300 |
| 11 | 341 |
| 12 | 384 |
| 13 | 429 |
| 14 | 476 |
| 15 | 525 |
| 16 | 576 |
| 17 | 629 |
| 18 | 684 |
| 19 | 741 |
| 20 | 800 |
| 21 | 861 |
| 22 | 924 |
| 23 | 989 |
| 24 | 1056 |
| 25 | 1125 |
| 26 | 1196 |
| 27 | 1269 |
| 28 | 1344 |
| 29 | 1421 |
| 30 | 1500 |
| 31 | 1581 |
| 32 | 1664 |
| 33 | 1749 |
| 34 | 1836 |
| 35 | 1925 |
| 36 | 2016 |
| 37 | 2109 |
| 38 | 2204 |
| 39 | 2301 |
| 40 | 2400 |
| 41 | 2501 |
| 42 | 2604 |
| 43 | 2709 |
| 44 | 2816 |
| 45 | 2925 |
| 46 | 3036 |
| 47 | 3149 |
| 48 | 3264 |
[0,21,44,69,96,125,156,189,224,261,300,341,384, 429,476,525,576,629,684,741,800,861,924,989,1056, 1125,1196,1269,1344,1421,1500,1581,1664,1749,1836, 1925,2016,2109,2204,2301,2400,2501,2604,2709,2816, 2925,3036,3149,3264] |