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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 1 |
| 7 | 9 |
| 8 | 126 |
| 9 | 1 |
| 10 | 1 |
| 11 | 16 |
| 12 | 1820 |
| 13 | 11440 |
| 14 | 1 |
| 15 | 1 |
| 16 | 25 |
| 17 | 12650 |
| 18 | 2042975 |
| 19 | 2042975 |
| 20 | 1 |
| 21 | 1 |
| 22 | 36 |
| 23 | 58905 |
| 24 | 94143280 |
| 25 | 7307872110 |
| 26 | 600805296 |
| 27 | 1 |
| 28 | 1 |
| 29 | 49 |
| 30 | 211876 |
| 31 | 2054455634 |
| 32 | 3348108992991 |
| 33 | 63205303218876 |
| 34 | 262596783764 |
| 35 | 1 |
| 36 | 1 |
| 37 | 64 |
| 38 | 635376 |
| 39 | 27540584512 |
| 40 | 488526937079580 |
| 41 | 401038568751465792 |
| 42 | 1118770292985239888 |
| 43 | 159518999862720 |
| 44 | 1 |
[1,1,1,1,4,1,1,9,126,1,1,16,1820,11440,1,1,25, 12650,2042975,2042975,1,1,36,58905,94143280, 7307872110,600805296,1,1,49,211876,2054455634, 3348108992991,63205303218876,262596783764,1,1,64, 635376,27540584512,488526937079580, 401038568751465792,1118770292985239888, 159518999862720,1] |