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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 15 |
| 5 | 25 |
| 6 | 36 |
| 7 | 48 |
| 8 | 61 |
| 9 | 75 |
| 10 | 90 |
| 11 | 110 |
| 12 | 132 |
| 13 | 156 |
| 14 | 182 |
| 15 | 210 |
| 16 | 239 |
| 17 | 269 |
| 18 | 300 |
| 19 | 332 |
| 20 | 380 |
| 21 | 429 |
| 22 | 484 |
| 23 | 540 |
| 24 | 600 |
| 25 | 661 |
| 26 | 728 |
| 27 | 796 |
| 28 | 868 |
| 29 | 957 |
| 30 | 1050 |
| 31 | 1147 |
| 32 | 1248 |
| 33 | 1350 |
| 34 | 1453 |
| 35 | 1557 |
| 36 | 1662 |
| 37 | 1768 |
| 38 | 1875 |
| 39 | 1983 |
| 40 | 2092 |
| 41 | 2202 |
| 42 | 2313 |
| 43 | 2425 |
| 44 | 2538 |
| 45 | 2652 |
| 46 | 2767 |
| 47 | 2883 |
| 48 | 3024 |
| 49 | 3185 |
| 50 | 3347 |
[1,4,9,15,25,36,48,61,75,90,110,132,156,182,210, 239,269,300,332,380,429,484,540,600,661,728,796, 868,957,1050,1147,1248,1350,1453,1557,1662,1768, 1875,1983,2092,2202,2313,2425,2538,2652,2767,2883, 3024,3185,3347] |