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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 9 |
| 3 | 17 |
| 4 | 27 |
| 5 | 38 |
| 6 | 55 |
| 7 | 78 |
| 8 | 102 |
| 9 | 129 |
| 10 | 157 |
| 11 | 185 |
| 12 | 221 |
| 13 | 263 |
| 14 | 306 |
| 15 | 353 |
| 16 | 402 |
| 17 | 449 |
| 18 | 499 |
| 19 | 555 |
| 20 | 615 |
| 21 | 682 |
| 22 | 753 |
| 23 | 820 |
| 24 | 889 |
| 25 | 966 |
| 26 | 1044 |
| 27 | 1125 |
| 28 | 1212 |
| 29 | 1299 |
| 30 | 1392 |
| 31 | 1491 |
| 32 | 1585 |
| 33 | 1680 |
| 34 | 1783 |
| 35 | 1889 |
| 36 | 2000 |
| 37 | 2116 |
| 38 | 2231 |
| 39 | 2350 |
| 40 | 2472 |
| 41 | 2592 |
| 42 | 2718 |
| 43 | 2853 |
| 44 | 2993 |
| 45 | 3135 |
| 46 | 3273 |
| 47 | 3408 |
| 48 | 3551 |
[1,4,9,17,27,38,55,78,102,129,157,185,221,263,306, 353,402,449,499,555,615,682,753,820,889,966,1044, 1125,1212,1299,1392,1491,1585,1680,1783,1889,2000, 2116,2231,2350,2472,2592,2718,2853,2993,3135,3273, 3408,3551] |