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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 17 |
| 6 | 24 |
| 7 | 33 |
| 8 | 44 |
| 9 | 56 |
| 10 | 69 |
| 11 | 84 |
| 12 | 101 |
| 13 | 120 |
| 14 | 140 |
| 15 | 161 |
| 16 | 184 |
| 17 | 209 |
| 18 | 236 |
| 19 | 265 |
| 20 | 295 |
| 21 | 326 |
| 22 | 359 |
| 23 | 394 |
| 24 | 431 |
| 25 | 470 |
| 26 | 511 |
| 27 | 553 |
| 28 | 596 |
| 29 | 641 |
| 30 | 688 |
| 31 | 737 |
| 32 | 788 |
| 33 | 841 |
| 34 | 896 |
| 35 | 952 |
| 36 | 1009 |
| 37 | 1068 |
| 38 | 1129 |
| 39 | 1192 |
| 40 | 1257 |
| 41 | 1324 |
| 42 | 1393 |
| 43 | 1464 |
| 44 | 1536 |
| 45 | 1609 |
| 46 | 1684 |
| 47 | 1761 |
| 48 | 1840 |
| 49 | 1921 |
[1,3,6,11,17,24,33,44,56,69,84,101,120,140,161, 184,209,236,265,295,326,359,394,431,470,511,553, 596,641,688,737,788,841,896,952,1009,1068,1129, 1192,1257,1324,1393,1464,1536,1609,1684,1761,1840, 1921] |