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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 11 |
| 3 | 18 |
| 4 | 33 |
| 5 | 53 |
| 6 | 78 |
| 7 | 116 |
| 8 | 146 |
| 9 | 180 |
| 10 | 219 |
| 11 | 272 |
| 12 | 323 |
| 13 | 381 |
| 14 | 439 |
| 15 | 502 |
| 16 | 577 |
| 17 | 667 |
| 18 | 752 |
| 19 | 798 |
| 20 | 887 |
| 21 | 1002 |
| 22 | 1100 |
| 23 | 1189 |
| 24 | 1288 |
| 25 | 1432 |
| 26 | 1558 |
| 27 | 1650 |
| 28 | 1754 |
| 29 | 1884 |
| 30 | 2025 |
| 31 | 2198 |
| 32 | 2301 |
| 33 | 2443 |
| 34 | 2613 |
| 35 | 2827 |
| 36 | 2970 |
| 37 | 3069 |
| 38 | 3238 |
| 39 | 3422 |
| 40 | 3627 |
| 41 | 3820 |
| 42 | 4001 |
| 43 | 4182 |
| 44 | 4381 |
| 45 | 4632 |
| 46 | 4843 |
[1,4,11,18,33,53,78,116,146,180,219,272,323,381, 439,502,577,667,752,798,887,1002,1100,1189,1288, 1432,1558,1650,1754,1884,2025,2198,2301,2443,2613, 2827,2970,3069,3238,3422,3627,3820,4001,4182,4381, 4632,4843] |