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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 9 |
| 5 | 13 |
| 6 | 18 |
| 7 | 24 |
| 8 | 31 |
| 9 | 39 |
| 10 | 50 |
| 11 | 62 |
| 12 | 77 |
| 13 | 93 |
| 14 | 112 |
| 15 | 134 |
| 16 | 159 |
| 17 | 187 |
| 18 | 218 |
| 19 | 252 |
| 20 | 293 |
| 21 | 337 |
| 22 | 388 |
| 23 | 442 |
| 24 | 503 |
| 25 | 571 |
| 26 | 646 |
| 27 | 728 |
| 28 | 817 |
| 29 | 913 |
| 30 | 1022 |
| 31 | 1138 |
| 32 | 1267 |
| 33 | 1403 |
| 34 | 1552 |
| 35 | 1714 |
| 36 | 1889 |
| 37 | 2077 |
| 38 | 2278 |
| 39 | 2492 |
| 40 | 2728 |
| 41 | 2977 |
| 42 | 3248 |
| 43 | 3532 |
| 44 | 3838 |
| 45 | 4166 |
| 46 | 4516 |
| 47 | 4888 |
| 48 | 5282 |
| 49 | 5698 |
| 50 | 6148 |
[1,2,4,6,9,13,18,24,31,39,50,62,77,93,112,134,159, 187,218,252,293,337,388,442,503,571,646,728,817, 913,1022,1138,1267,1403,1552,1714,1889,2077,2278, 2492,2728,2977,3248,3532,3838,4166,4516,4888,5282, 5698,6148] |