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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 11 |
| 3 | 20 |
| 4 | 39 |
| 5 | 66 |
| 6 | 92 |
| 7 | 124 |
| 8 | 163 |
| 9 | 215 |
| 10 | 257 |
| 11 | 304 |
| 12 | 373 |
| 13 | 447 |
| 14 | 514 |
| 15 | 571 |
| 16 | 657 |
| 17 | 763 |
| 18 | 852 |
| 19 | 924 |
| 20 | 1031 |
| 21 | 1150 |
| 22 | 1262 |
| 23 | 1364 |
| 24 | 1493 |
| 25 | 1642 |
| 26 | 1748 |
| 27 | 1882 |
| 28 | 2044 |
| 29 | 2196 |
| 30 | 2341 |
| 31 | 2458 |
| 32 | 2668 |
| 33 | 2863 |
| 34 | 2999 |
| 35 | 3164 |
| 36 | 3344 |
| 37 | 3594 |
| 38 | 3770 |
| 39 | 3910 |
| 40 | 4162 |
| 41 | 4372 |
| 42 | 4601 |
| 43 | 4792 |
| 44 | 5006 |
| 45 | 5306 |
| 46 | 5471 |
| 47 | 5726 |
[1,4,11,20,39,66,92,124,163,215,257,304,373,447, 514,571,657,763,852,924,1031,1150,1262,1364,1493, 1642,1748,1882,2044,2196,2341,2458,2668,2863,2999, 3164,3344,3594,3770,3910,4162,4372,4601,4792,5006, 5306,5471,5726] |