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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 9 |
| 2 | 20 |
| 3 | 33 |
| 4 | 48 |
| 5 | 65 |
| 6 | 84 |
| 7 | 105 |
| 8 | 128 |
| 9 | 153 |
| 10 | 180 |
| 11 | 209 |
| 12 | 240 |
| 13 | 273 |
| 14 | 308 |
| 15 | 345 |
| 16 | 384 |
| 17 | 425 |
| 18 | 468 |
| 19 | 513 |
| 20 | 560 |
| 21 | 609 |
| 22 | 660 |
| 23 | 713 |
| 24 | 768 |
| 25 | 825 |
| 26 | 884 |
| 27 | 945 |
| 28 | 1008 |
| 29 | 1073 |
| 30 | 1140 |
| 31 | 1209 |
| 32 | 1280 |
| 33 | 1353 |
| 34 | 1428 |
| 35 | 1505 |
| 36 | 1584 |
| 37 | 1665 |
| 38 | 1748 |
| 39 | 1833 |
| 40 | 1920 |
| 41 | 2009 |
| 42 | 2100 |
| 43 | 2193 |
| 44 | 2288 |
| 45 | 2385 |
[0,9,20,33,48,65,84,105,128,153,180,209,240,273, 308,345,384,425,468,513,560,609,660,713,768,825, 884,945,1008,1073,1140,1209,1280,1353,1428,1505, 1584,1665,1748,1833,1920,2009,2100,2193,2288,2385] |