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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 3 |
| 14 | 3 |
| 15 | 4 |
| 16 | 5 |
| 17 | 6 |
| 18 | 8 |
| 19 | 11 |
| 20 | 13 |
| 21 | 16 |
| 22 | 20 |
| 23 | 25 |
| 24 | 32 |
| 25 | 42 |
| 26 | 53 |
| 27 | 66 |
| 28 | 83 |
| 29 | 104 |
| 30 | 131 |
| 31 | 167 |
| 32 | 212 |
| 33 | 267 |
| 34 | 337 |
| 35 | 425 |
| 36 | 536 |
| 37 | 678 |
| 38 | 858 |
| 39 | 1083 |
| 40 | 1367 |
| 41 | 1726 |
| 42 | 2179 |
| 43 | 2753 |
| 44 | 3480 |
| 45 | 4396 |
| 46 | 5551 |
| 47 | 7010 |
| 48 | 8852 |
| 49 | 11180 |
| 50 | 14124 |
[1,0,0,0,0,0,1,1,1,1,1,1,2,3,3,4,5,6,8,11,13,16, 20,25,32,42,53,66,83,104,131,167,212,267,337,425, 536,678,858,1083,1367,1726,2179,2753,3480,4396, 5551,7010,8852,11180,14124] |