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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 6 |
| 9 | 7 |
| 10 | 9 |
| 11 | 11 |
| 12 | 15 |
| 13 | 18 |
| 14 | 23 |
| 15 | 28 |
| 16 | 37 |
| 17 | 44 |
| 18 | 55 |
| 19 | 66 |
| 20 | 83 |
| 21 | 99 |
| 22 | 121 |
| 23 | 145 |
| 24 | 179 |
| 25 | 212 |
| 26 | 255 |
| 27 | 303 |
| 28 | 366 |
| 29 | 431 |
| 30 | 514 |
| 31 | 606 |
| 32 | 723 |
| 33 | 847 |
| 34 | 999 |
| 35 | 1169 |
| 36 | 1380 |
| 37 | 1607 |
| 38 | 1881 |
| 39 | 2189 |
| 40 | 2561 |
| 41 | 2967 |
| 42 | 3449 |
| 43 | 3990 |
| 44 | 4633 |
| 45 | 5342 |
| 46 | 6172 |
| 47 | 7105 |
| 48 | 8201 |
| 49 | 9412 |
| 50 | 10816 |
| 51 | 12394 |
| 52 | 14225 |
| 53 | 16257 |
| 54 | 18596 |
| 55 | 21220 |
[1,1,1,1,2,2,3,4,6,7,9,11,15,18,23,28,37,44,55,66, 83,99,121,145,179,212,255,303,366,431,514,606,723, 847,999,1169,1380,1607,1881,2189,2561,2967,3449, 3990,4633,5342,6172,7105,8201,9412,10816,12394, 14225,16257,18596,21220] |