| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 10 |
| 3 | 20 |
| 4 | 33 |
| 5 | 56 |
| 6 | 85 |
| 7 | 114 |
| 8 | 144 |
| 9 | 192 |
| 10 | 242 |
| 11 | 280 |
| 12 | 333 |
| 13 | 412 |
| 14 | 475 |
| 15 | 526 |
| 16 | 602 |
| 17 | 698 |
| 18 | 776 |
| 19 | 850 |
| 20 | 949 |
| 21 | 1058 |
| 22 | 1157 |
| 23 | 1258 |
| 24 | 1372 |
| 25 | 1500 |
| 26 | 1620 |
| 27 | 1732 |
| 28 | 1863 |
| 29 | 2020 |
| 30 | 2161 |
| 31 | 2280 |
| 32 | 2434 |
| 33 | 2624 |
| 34 | 2778 |
| 35 | 2910 |
| 36 | 3087 |
| 37 | 3294 |
| 38 | 3463 |
| 39 | 3618 |
| 40 | 3818 |
| 41 | 4038 |
| 42 | 4228 |
| 43 | 4410 |
| 44 | 4625 |
| 45 | 4864 |
| 46 | 5075 |
[1,4,10,20,33,56,85,114,144,192,242,280,333,412, 475,526,602,698,776,850,949,1058,1157,1258,1372, 1500,1620,1732,1863,2020,2161,2280,2434,2624,2778, 2910,3087,3294,3463,3618,3818,4038,4228,4410,4625, 4864,5075] |