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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 10 |
| 4 | 4 |
| 5 | 1 |
| 6 | 165 |
| 7 | 45 |
| 8 | 7 |
| 9 | 1 |
| 10 | 5985 |
| 11 | 1140 |
| 12 | 136 |
| 13 | 11 |
| 14 | 1 |
| 15 | 376992 |
| 16 | 52360 |
| 17 | 4960 |
| 18 | 325 |
| 19 | 16 |
| 20 | 1 |
| 21 | 36288252 |
| 22 | 3819816 |
| 23 | 292825 |
| 24 | 16215 |
| 25 | 666 |
| 26 | 22 |
| 27 | 1 |
| 28 | 4935847320 |
| 29 | 406481544 |
| 30 | 25621596 |
| 31 | 1215450 |
| 32 | 43680 |
| 33 | 1225 |
| 34 | 29 |
| 35 | 1 |
| 36 | 899749479915 |
| 37 | 59487568920 |
| 38 | 3127595016 |
| 39 | 128164707 |
[1,2,1,10,4,1,165,45,7,1,5985,1140,136,11,1, 376992,52360,4960,325,16,1,36288252,3819816, 292825,16215,666,22,1,4935847320,406481544, 25621596,1215450,43680,1225,29,1,899749479915, 59487568920,3127595016,128164707] |