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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 3 |
| 11 | 4 |
| 12 | 5 |
| 13 | 7 |
| 14 | 9 |
| 15 | 12 |
| 16 | 16 |
| 17 | 21 |
| 18 | 28 |
| 19 | 37 |
| 20 | 49 |
| 21 | 65 |
| 22 | 86 |
| 23 | 114 |
| 24 | 151 |
| 25 | 200 |
| 26 | 265 |
| 27 | 351 |
| 28 | 465 |
| 29 | 616 |
| 30 | 816 |
| 31 | 1081 |
| 32 | 1432 |
| 33 | 1897 |
| 34 | 2513 |
| 35 | 3329 |
| 36 | 4410 |
| 37 | 5842 |
| 38 | 7739 |
| 39 | 10252 |
| 40 | 13581 |
| 41 | 17991 |
| 42 | 23833 |
| 43 | 31572 |
| 44 | 41824 |
| 45 | 55405 |
| 46 | 73396 |
| 47 | 97229 |
| 48 | 128801 |
| 49 | 170625 |
[1,0,0,1,0,1,1,1,2,2,3,4,5,7,9,12,16,21,28,37,49, 65,86,114,151,200,265,351,465,616,816,1081,1432, 1897,2513,3329,4410,5842,7739,10252,13581,17991, 23833,31572,41824,55405,73396,97229,128801,170625] |