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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 9 |
| 8 | 13 |
| 9 | 16 |
| 10 | 19 |
| 11 | 27 |
| 12 | 33 |
| 13 | 40 |
| 14 | 54 |
| 15 | 63 |
| 16 | 75 |
| 17 | 99 |
| 18 | 116 |
| 19 | 140 |
| 20 | 175 |
| 21 | 198 |
| 22 | 244 |
| 23 | 293 |
| 24 | 349 |
| 25 | 401 |
| 26 | 491 |
| 27 | 563 |
| 28 | 666 |
| 29 | 790 |
| 30 | 912 |
| 31 | 1046 |
| 32 | 1266 |
| 33 | 1419 |
| 34 | 1667 |
| 35 | 1929 |
| 36 | 2221 |
| 37 | 2528 |
| 38 | 2979 |
| 39 | 3345 |
| 40 | 3868 |
| 41 | 4422 |
| 42 | 5057 |
| 43 | 5709 |
| 44 | 6638 |
| 45 | 7395 |
| 46 | 8480 |
| 47 | 9626 |
| 48 | 10925 |
| 49 | 12237 |
| 50 | 14052 |
| 51 | 15622 |
[1,1,2,2,4,5,7,9,13,16,19,27,33,40,54,63,75,99, 116,140,175,198,244,293,349,401,491,563,666,790, 912,1046,1266,1419,1667,1929,2221,2528,2979,3345, 3868,4422,5057,5709,6638,7395,8480,9626,10925, 12237,14052,15622] |