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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 15 |
| 5 | 26 |
| 6 | 43 |
| 7 | 65 |
| 8 | 95 |
| 9 | 132 |
| 10 | 179 |
| 11 | 235 |
| 12 | 303 |
| 13 | 382 |
| 14 | 475 |
| 15 | 581 |
| 16 | 703 |
| 17 | 840 |
| 18 | 995 |
| 19 | 1167 |
| 20 | 1359 |
| 21 | 1570 |
| 22 | 1803 |
| 23 | 2057 |
| 24 | 2335 |
| 25 | 2636 |
| 26 | 2963 |
| 27 | 3315 |
| 28 | 3695 |
| 29 | 4102 |
| 30 | 4539 |
| 31 | 5005 |
| 32 | 5503 |
| 33 | 6032 |
| 34 | 6595 |
| 35 | 7191 |
| 36 | 7823 |
| 37 | 8490 |
| 38 | 9195 |
| 39 | 9937 |
| 40 | 10719 |
| 41 | 11540 |
| 42 | 12403 |
| 43 | 13307 |
| 44 | 14255 |
| 45 | 15246 |
| 46 | 16283 |
| 47 | 17365 |
| 48 | 18495 |
| 49 | 19672 |
| 50 | 20899 |
| 51 | 22175 |
| 52 | 23503 |
| 53 | 24882 |
| 54 | 26315 |
[1,3,7,15,26,43,65,95,132,179,235,303,382,475,581, 703,840,995,1167,1359,1570,1803,2057,2335,2636, 2963,3315,3695,4102,4539,5005,5503,6032,6595,7191, 7823,8490,9195,9937,10719,11540,12403,13307,14255, 15246,16283,17365,18495,19672,20899,22175,23503, 24882,26315] |