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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 1 |
| 5 | 5 |
| 6 | 15 |
| 7 | 1 |
| 8 | 8 |
| 9 | 16 |
| 10 | 49 |
| 11 | 154 |
| 12 | 1 |
| 13 | 11 |
| 14 | 39 |
| 15 | 126 |
| 16 | 288 |
| 17 | 964 |
| 18 | 3275 |
| 19 | 1 |
| 20 | 15 |
| 21 | 87 |
| 22 | 168 |
| 23 | 291 |
| 24 | 1412 |
| 25 | 3600 |
| 26 | 4957 |
| 27 | 12865 |
| 28 | 46400 |
| 29 | 168862 |
| 30 | 1 |
| 31 | 19 |
| 32 | 176 |
| 33 | 644 |
| 34 | 608 |
| 35 | 6101 |
| 36 | 14001 |
| 37 | 38996 |
| 38 | 22294 |
| 39 | 146064 |
| 40 | 418072 |
| 41 | 549894 |
| 42 | 1586761 |
| 43 | 6045724 |
| 44 | 23115063 |
| 45 | 1 |
| 46 | 24 |
| 47 | 338 |
| 48 | 2348 |
| 49 | 4849 |
| 50 | 1195 |
| 51 | 24329 |
[1,1,3,1,5,15,1,8,16,49,154,1,11,39,126,288,964, 3275,1,15,87,168,291,1412,3600,4957,12865,46400, 168862,1,19,176,644,608,6101,14001,38996,22294, 146064,418072,549894,1586761,6045724,23115063,1, 24,338,2348,4849,1195,24329] |