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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 11 |
| 7 | 15 |
| 8 | 22 |
| 9 | 30 |
| 10 | 42 |
| 11 | 56 |
| 12 | 77 |
| 13 | 101 |
| 14 | 135 |
| 15 | 176 |
| 16 | 231 |
| 17 | 297 |
| 18 | 385 |
| 19 | 490 |
| 20 | 627 |
| 21 | 792 |
| 22 | 1002 |
| 23 | 1255 |
| 24 | 1575 |
| 25 | 1958 |
| 26 | 2436 |
| 27 | 3010 |
| 28 | 3718 |
| 29 | 4565 |
| 30 | 5604 |
| 31 | 6842 |
| 32 | 8349 |
| 33 | 10143 |
| 34 | 12310 |
| 35 | 14883 |
| 36 | 17976 |
| 37 | 21635 |
| 38 | 26010 |
| 39 | 31175 |
| 40 | 37318 |
| 41 | 44547 |
| 42 | 53109 |
| 43 | 63153 |
| 44 | 74996 |
| 45 | 88850 |
| 46 | 105113 |
| 47 | 124078 |
| 48 | 146256 |
| 49 | 172032 |
| 50 | 202056 |
| 51 | 236844 |
[1,1,2,3,5,7,11,15,22,30,42,56,77,101,135,176,231, 297,385,490,627,792,1002,1255,1575,1958,2436,3010, 3718,4565,5604,6842,8349,10143,12310,14883,17976, 21635,26010,31175,37318,44547,53109,63153,74996, 88850,105113,124078,146256,172032,202056,236844] |