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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 10 |
| 3 | 20 |
| 4 | 34 |
| 5 | 56 |
| 6 | 83 |
| 7 | 109 |
| 8 | 140 |
| 9 | 181 |
| 10 | 226 |
| 11 | 282 |
| 12 | 337 |
| 13 | 381 |
| 14 | 431 |
| 15 | 499 |
| 16 | 586 |
| 17 | 672 |
| 18 | 736 |
| 19 | 801 |
| 20 | 899 |
| 21 | 999 |
| 22 | 1096 |
| 23 | 1193 |
| 24 | 1297 |
| 25 | 1424 |
| 26 | 1547 |
| 27 | 1640 |
| 28 | 1739 |
| 29 | 1885 |
| 30 | 2055 |
| 31 | 2213 |
| 32 | 2322 |
| 33 | 2415 |
| 34 | 2571 |
| 35 | 2789 |
| 36 | 2985 |
| 37 | 3120 |
| 38 | 3233 |
| 39 | 3379 |
| 40 | 3607 |
| 41 | 3851 |
| 42 | 4023 |
| 43 | 4159 |
| 44 | 4327 |
| 45 | 4555 |
| 46 | 4822 |
[1,4,10,20,34,56,83,109,140,181,226,282,337,381, 431,499,586,672,736,801,899,999,1096,1193,1297, 1424,1547,1640,1739,1885,2055,2213,2322,2415,2571, 2789,2985,3120,3233,3379,3607,3851,4023,4159,4327, 4555,4822] |