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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 8 |
| 7 | 10 |
| 8 | 14 |
| 9 | 19 |
| 10 | 25 |
| 11 | 34 |
| 12 | 46 |
| 13 | 62 |
| 14 | 84 |
| 15 | 115 |
| 16 | 158 |
| 17 | 216 |
| 18 | 296 |
| 19 | 406 |
| 20 | 559 |
| 21 | 770 |
| 22 | 1063 |
| 23 | 1468 |
| 24 | 2029 |
| 25 | 2808 |
| 26 | 3889 |
| 27 | 5390 |
| 28 | 7478 |
| 29 | 10381 |
| 30 | 14421 |
| 31 | 20044 |
| 32 | 27876 |
| 33 | 38792 |
| 34 | 54010 |
| 35 | 75233 |
| 36 | 104842 |
| 37 | 146169 |
| 38 | 203869 |
| 39 | 284457 |
| 40 | 397045 |
| 41 | 554382 |
| 42 | 774322 |
| 43 | 1081859 |
[1,1,2,3,4,6,8,10,14,19,25,34,46,62,84,115,158, 216,296,406,559,770,1063,1468,2029,2808,3889,5390, 7478,10381,14421,20044,27876,38792,54010,75233, 104842,146169,203869,284457,397045,554382,774322, 1081859] |