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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 11 |
| 4 | 17 |
| 5 | 26 |
| 6 | 37 |
| 7 | 53 |
| 8 | 70 |
| 9 | 93 |
| 10 | 119 |
| 11 | 154 |
| 12 | 191 |
| 13 | 239 |
| 14 | 292 |
| 15 | 361 |
| 16 | 431 |
| 17 | 518 |
| 18 | 611 |
| 19 | 727 |
| 20 | 846 |
| 21 | 991 |
| 22 | 1145 |
| 23 | 1334 |
| 24 | 1525 |
| 25 | 1753 |
| 26 | 1992 |
| 27 | 2279 |
| 28 | 2571 |
| 29 | 2916 |
| 30 | 3277 |
| 31 | 3707 |
| 32 | 4138 |
| 33 | 4639 |
| 34 | 5157 |
| 35 | 5762 |
| 36 | 6373 |
| 37 | 7077 |
| 38 | 7804 |
| 39 | 8647 |
| 40 | 9493 |
| 41 | 10458 |
| 42 | 11449 |
| 43 | 12585 |
| 44 | 13730 |
| 45 | 15029 |
| 46 | 16363 |
| 47 | 17886 |
| 48 | 19411 |
[1,3,6,11,17,26,37,53,70,93,119,154,191,239,292, 361,431,518,611,727,846,991,1145,1334,1525,1753, 1992,2279,2571,2916,3277,3707,4138,4639,5157,5762, 6373,7077,7804,8647,9493,10458,11449,12585,13730, 15029,16363,17886,19411] |