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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 3 |
| 8 | 3 |
| 9 | 6 |
| 10 | 6 |
| 11 | 9 |
| 12 | 11 |
| 13 | 14 |
| 14 | 22 |
| 15 | 27 |
| 16 | 35 |
| 17 | 46 |
| 18 | 62 |
| 19 | 73 |
| 20 | 119 |
| 21 | 138 |
| 22 | 190 |
| 23 | 239 |
| 24 | 323 |
| 25 | 402 |
| 26 | 522 |
| 27 | 753 |
| 28 | 927 |
| 29 | 1218 |
| 30 | 1574 |
| 31 | 2039 |
| 32 | 2599 |
| 33 | 3390 |
| 34 | 4154 |
| 35 | 6013 |
| 36 | 7247 |
| 37 | 9574 |
| 38 | 12026 |
| 39 | 15807 |
| 40 | 19615 |
| 41 | 25598 |
| 42 | 31850 |
| 43 | 40293 |
| 44 | 54795 |
| 45 | 67530 |
| 46 | 86202 |
| 47 | 109851 |
[1,0,1,1,1,2,2,3,3,6,6,9,11,14,22,27,35,46,62,73, 119,138,190,239,323,402,522,753,927,1218,1574, 2039,2599,3390,4154,6013,7247,9574,12026,15807, 19615,25598,31850,40293,54795,67530,86202,109851] |