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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 1 |
| 7 | 9 |
| 8 | 36 |
| 9 | 1 |
| 10 | 1 |
| 11 | 16 |
| 12 | 276 |
| 13 | 560 |
| 14 | 1 |
| 15 | 1 |
| 16 | 25 |
| 17 | 1225 |
| 18 | 19600 |
| 19 | 12650 |
| 20 | 1 |
| 21 | 1 |
| 22 | 36 |
| 23 | 4005 |
| 24 | 280840 |
| 25 | 2555190 |
| 26 | 376992 |
| 27 | 1 |
| 28 | 1 |
| 29 | 49 |
| 30 | 10731 |
| 31 | 2421090 |
| 32 | 146475945 |
| 33 | 534017484 |
| 34 | 13983816 |
| 35 | 1 |
| 36 | 1 |
| 37 | 64 |
| 38 | 24976 |
| 39 | 14885696 |
| 40 | 4053946260 |
| 41 | 147055790784 |
| 42 | 163995687856 |
| 43 | 621216192 |
| 44 | 1 |
[1,1,1,1,4,1,1,9,36,1,1,16,276,560,1,1,25,1225, 19600,12650,1,1,36,4005,280840,2555190,376992,1,1, 49,10731,2421090,146475945,534017484,13983816,1,1, 64,24976,14885696,4053946260,147055790784, 163995687856,621216192,1] |