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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 18 |
| 5 | 1 |
| 6 | 1 |
| 7 | 69 |
| 8 | 69 |
| 9 | 1 |
| 10 | 1 |
| 11 | 172 |
| 12 | 606 |
| 13 | 172 |
| 14 | 1 |
| 15 | 1 |
| 16 | 345 |
| 17 | 2890 |
| 18 | 2890 |
| 19 | 345 |
| 20 | 1 |
| 21 | 1 |
| 22 | 606 |
| 23 | 9885 |
| 24 | 23580 |
| 25 | 9885 |
| 26 | 606 |
| 27 | 1 |
| 28 | 1 |
| 29 | 973 |
| 30 | 27321 |
| 31 | 127365 |
| 32 | 127365 |
| 33 | 27321 |
| 34 | 973 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1464 |
| 38 | 65044 |
| 39 | 523656 |
| 40 | 1024030 |
| 41 | 523656 |
| 42 | 65044 |
| 43 | 1464 |
| 44 | 1 |
| 45 | 1 |
| 46 | 2097 |
| 47 | 138636 |
| 48 | 1770972 |
| 49 | 5985126 |
| 50 | 5985126 |
| 51 | 1770972 |
| 52 | 138636 |
| 53 | 2097 |
| 54 | 1 |
[1,1,1,1,18,1,1,69,69,1,1,172,606,172,1,1,345, 2890,2890,345,1,1,606,9885,23580,9885,606,1,1,973, 27321,127365,127365,27321,973,1,1,1464,65044, 523656,1024030,523656,65044,1464,1,1,2097,138636, 1770972,5985126,5985126,1770972,138636,2097,1] |