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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 8 |
| 8 | 11 |
| 9 | 15 |
| 10 | 20 |
| 11 | 26 |
| 12 | 35 |
| 13 | 45 |
| 14 | 58 |
| 15 | 75 |
| 16 | 96 |
| 17 | 121 |
| 18 | 154 |
| 19 | 192 |
| 20 | 241 |
| 21 | 300 |
| 22 | 372 |
| 23 | 458 |
| 24 | 566 |
| 25 | 693 |
| 26 | 847 |
| 27 | 1032 |
| 28 | 1255 |
| 29 | 1518 |
| 30 | 1837 |
| 31 | 2211 |
| 32 | 2659 |
| 33 | 3188 |
| 34 | 3815 |
| 35 | 4551 |
| 36 | 5426 |
| 37 | 6446 |
| 38 | 7649 |
| 39 | 9056 |
| 40 | 10707 |
| 41 | 12627 |
| 42 | 14878 |
| 43 | 17488 |
| 44 | 20533 |
| 45 | 24064 |
| 46 | 28165 |
| 47 | 32904 |
| 48 | 38405 |
[1,1,2,3,4,6,8,11,15,20,26,35,45,58,75,96,121,154, 192,241,300,372,458,566,693,847,1032,1255,1518, 1837,2211,2659,3188,3815,4551,5426,6446,7649,9056, 10707,12627,14878,17488,20533,24064,28165,32904, 38405] |