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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 9 |
| 3 | 19 |
| 4 | 39 |
| 5 | 55 |
| 6 | 79 |
| 7 | 113 |
| 8 | 149 |
| 9 | 177 |
| 10 | 229 |
| 11 | 270 |
| 12 | 326 |
| 13 | 391 |
| 14 | 436 |
| 15 | 504 |
| 16 | 574 |
| 17 | 653 |
| 18 | 740 |
| 19 | 815 |
| 20 | 896 |
| 21 | 995 |
| 22 | 1093 |
| 23 | 1205 |
| 24 | 1302 |
| 25 | 1410 |
| 26 | 1510 |
| 27 | 1644 |
| 28 | 1793 |
| 29 | 1889 |
| 30 | 2042 |
| 31 | 2143 |
| 32 | 2333 |
| 33 | 2476 |
| 34 | 2591 |
| 35 | 2791 |
| 36 | 2896 |
| 37 | 3101 |
| 38 | 3283 |
| 39 | 3414 |
| 40 | 3635 |
| 41 | 3772 |
| 42 | 3987 |
| 43 | 4229 |
| 44 | 4335 |
| 45 | 4592 |
| 46 | 4758 |
| 47 | 5004 |
[1,4,9,19,39,55,79,113,149,177,229,270,326,391, 436,504,574,653,740,815,896,995,1093,1205,1302, 1410,1510,1644,1793,1889,2042,2143,2333,2476,2591, 2791,2896,3101,3283,3414,3635,3772,3987,4229,4335, 4592,4758,5004] |