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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 0 |
| 8 | 2 |
| 9 | 1 |
| 10 | 1 |
| 11 | 4 |
| 12 | 2 |
| 13 | 4 |
| 14 | 9 |
| 15 | 4 |
| 16 | 14 |
| 17 | 20 |
| 18 | 15 |
| 19 | 43 |
| 20 | 48 |
| 21 | 55 |
| 22 | 127 |
| 23 | 127 |
| 24 | 199 |
| 25 | 363 |
| 26 | 379 |
| 27 | 684 |
| 28 | 1048 |
| 29 | 1229 |
| 30 | 2263 |
| 31 | 3100 |
| 32 | 4163 |
| 33 | 7288 |
| 34 | 9558 |
| 35 | 14231 |
| 36 | 23222 |
| 37 | 30673 |
| 38 | 48404 |
| 39 | 74113 |
| 40 | 101631 |
| 41 | 163048 |
| 42 | 239282 |
| 43 | 343196 |
| 44 | 545318 |
| 45 | 785139 |
| 46 | 1169148 |
| 47 | 1818866 |
| 48 | 2619072 |
| 49 | 3991888 |
| 50 | 6079434 |
[0,1,1,0,1,1,0,2,1,1,4,2,4,9,4,14,20,15,43,48,55, 127,127,199,363,379,684,1048,1229,2263,3100,4163, 7288,9558,14231,23222,30673,48404,74113,101631, 163048,239282,343196,545318,785139,1169148, 1818866,2619072,3991888,6079434] |