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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 10 |
| 3 | 21 |
| 4 | 40 |
| 5 | 63 |
| 6 | 88 |
| 7 | 118 |
| 8 | 156 |
| 9 | 200 |
| 10 | 247 |
| 11 | 299 |
| 12 | 361 |
| 13 | 434 |
| 14 | 501 |
| 15 | 557 |
| 16 | 623 |
| 17 | 713 |
| 18 | 818 |
| 19 | 921 |
| 20 | 1019 |
| 21 | 1115 |
| 22 | 1203 |
| 23 | 1316 |
| 24 | 1469 |
| 25 | 1613 |
| 26 | 1722 |
| 27 | 1822 |
| 28 | 1952 |
| 29 | 2120 |
| 30 | 2302 |
| 31 | 2462 |
| 32 | 2605 |
| 33 | 2763 |
| 34 | 2913 |
| 35 | 3070 |
| 36 | 3284 |
| 37 | 3529 |
| 38 | 3715 |
| 39 | 3845 |
| 40 | 4013 |
| 41 | 4229 |
| 42 | 4472 |
| 43 | 4734 |
| 44 | 4969 |
| 45 | 5166 |
| 46 | 5339 |
[1,4,10,21,40,63,88,118,156,200,247,299,361,434, 501,557,623,713,818,921,1019,1115,1203,1316,1469, 1613,1722,1822,1952,2120,2302,2462,2605,2763,2913, 3070,3284,3529,3715,3845,4013,4229,4472,4734,4969, 5166,5339] |