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| n | a(n) |
|---|---|
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 6 |
| 9 | 1 |
| 10 | 16 |
| 11 | 0 |
| 12 | 59 |
| 13 | 2 |
| 14 | 265 |
| 15 | 2 |
| 16 | 1544 |
| 17 | 12 |
| 18 | 10778 |
| 19 | 31 |
| 20 | 88168 |
| 21 | 220 |
| 22 | 805491 |
| 23 | 1606 |
| 24 | 8037418 |
| 25 | 16828 |
| 26 | 86221634 |
| 27 | 193900 |
| 28 | 985870522 |
| 29 | 2452818 |
| 30 | 11946487647 |
| 31 | 32670330 |
| 32 | 1 |
| 33 | 152808063181 |
| 34 | 456028474 |
| 35 | 2 |
| 36 | 2056692014474 |
| 37 | 6636066099 |
| 38 | 8 |
| 39 | 28566273166527 |
| 40 | 100135577747 |
| 41 | 131 |
[1,1,2,6,1,16,0,59,2,265,2,1544,12,10778,31,88168, 220,805491,1606,8037418,16828,86221634,193900, 985870522,2452818,11946487647,32670330,1, 152808063181,456028474,2,2056692014474,6636066099, 8,28566273166527,100135577747,131] |