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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 9 |
| 3 | 17 |
| 4 | 30 |
| 5 | 49 |
| 6 | 72 |
| 7 | 97 |
| 8 | 125 |
| 9 | 158 |
| 10 | 197 |
| 11 | 242 |
| 12 | 291 |
| 13 | 342 |
| 14 | 398 |
| 15 | 462 |
| 16 | 532 |
| 17 | 602 |
| 18 | 669 |
| 19 | 739 |
| 20 | 816 |
| 21 | 899 |
| 22 | 988 |
| 23 | 1082 |
| 24 | 1181 |
| 25 | 1283 |
| 26 | 1388 |
| 27 | 1499 |
| 28 | 1615 |
| 29 | 1737 |
| 30 | 1867 |
| 31 | 2006 |
| 32 | 2150 |
| 33 | 2293 |
| 34 | 2434 |
| 35 | 2574 |
| 36 | 2715 |
| 37 | 2856 |
| 38 | 2999 |
| 39 | 3150 |
| 40 | 3312 |
| 41 | 3484 |
| 42 | 3661 |
| 43 | 3842 |
| 44 | 4027 |
| 45 | 4214 |
| 46 | 4403 |
| 47 | 4597 |
[1,4,9,17,30,49,72,97,125,158,197,242,291,342,398, 462,532,602,669,739,816,899,988,1082,1181,1283, 1388,1499,1615,1737,1867,2006,2150,2293,2434,2574, 2715,2856,2999,3150,3312,3484,3661,3842,4027,4214, 4403,4597] |