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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 2 |
| 12 | 4 |
| 13 | 7 |
| 14 | 11 |
| 15 | 16 |
| 16 | 22 |
| 17 | 31 |
| 18 | 47 |
| 19 | 76 |
| 20 | 126 |
| 21 | 207 |
| 22 | 331 |
| 23 | 517 |
| 24 | 801 |
| 25 | 1251 |
| 26 | 1987 |
| 27 | 3206 |
| 28 | 5212 |
| 29 | 8465 |
| 30 | 13677 |
| 31 | 21997 |
| 32 | 35341 |
| 33 | 56937 |
| 34 | 92169 |
| 35 | 149860 |
| 36 | 244274 |
| 37 | 398383 |
| 38 | 649379 |
| 39 | 1058055 |
| 40 | 1724575 |
| 41 | 2814475 |
| 42 | 4600923 |
| 43 | 7533150 |
| 44 | 12347908 |
| 45 | 20252837 |
| 46 | 33230545 |
[1,0,0,0,0,1,1,1,1,1,1,2,4,7,11,16,22,31,47,76, 126,207,331,517,801,1251,1987,3206,5212,8465, 13677,21997,35341,56937,92169,149860,244274, 398383,649379,1058055,1724575,2814475,4600923, 7533150,12347908,20252837,33230545] |