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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 5 |
| 3 | 11 |
| 4 | 20 |
| 5 | 31 |
| 6 | 45 |
| 7 | 61 |
| 8 | 80 |
| 9 | 101 |
| 10 | 125 |
| 11 | 151 |
| 12 | 180 |
| 13 | 211 |
| 14 | 245 |
| 15 | 281 |
| 16 | 320 |
| 17 | 361 |
| 18 | 405 |
| 19 | 451 |
| 20 | 500 |
| 21 | 551 |
| 22 | 605 |
| 23 | 661 |
| 24 | 720 |
| 25 | 781 |
| 26 | 845 |
| 27 | 911 |
| 28 | 980 |
| 29 | 1051 |
| 30 | 1125 |
| 31 | 1201 |
| 32 | 1280 |
| 33 | 1361 |
| 34 | 1445 |
| 35 | 1531 |
| 36 | 1620 |
| 37 | 1711 |
| 38 | 1805 |
| 39 | 1901 |
| 40 | 2000 |
| 41 | 2101 |
| 42 | 2205 |
| 43 | 2311 |
| 44 | 2420 |
| 45 | 2531 |
| 46 | 2645 |
| 47 | 2761 |
| 48 | 2880 |
| 49 | 3001 |
[0,1,5,11,20,31,45,61,80,101,125,151,180,211,245, 281,320,361,405,451,500,551,605,661,720,781,845, 911,980,1051,1125,1201,1280,1361,1445,1531,1620, 1711,1805,1901,2000,2101,2205,2311,2420,2531,2645, 2761,2880,3001] |