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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 1 |
| 11 | 2 |
| 12 | 6 |
| 13 | 2 |
| 14 | 6 |
| 15 | 15 |
| 16 | 6 |
| 17 | 15 |
| 18 | 38 |
| 19 | 15 |
| 20 | 38 |
| 21 | 97 |
| 22 | 38 |
| 23 | 97 |
| 24 | 247 |
| 25 | 97 |
| 26 | 247 |
| 27 | 629 |
| 28 | 247 |
| 29 | 629 |
| 30 | 1602 |
| 31 | 629 |
| 32 | 1602 |
| 33 | 4080 |
| 34 | 1602 |
| 35 | 4080 |
| 36 | 10391 |
| 37 | 4080 |
| 38 | 10391 |
| 39 | 26464 |
| 40 | 10391 |
| 41 | 26464 |
| 42 | 67399 |
| 43 | 26464 |
| 44 | 67399 |
| 45 | 171653 |
| 46 | 67399 |
| 47 | 171653 |
| 48 | 437169 |
| 49 | 171653 |
| 50 | 437169 |
[0,1,1,1,1,1,1,1,2,1,2,6,2,6,15,6,15,38,15,38,97, 38,97,247,97,247,629,247,629,1602,629,1602,4080, 1602,4080,10391,4080,10391,26464,10391,26464, 67399,26464,67399,171653,67399,171653,437169, 171653,437169] |