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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 6 |
| 4 | 4 |
| 5 | 1 |
| 6 | 132 |
| 7 | 45 |
| 8 | 9 |
| 9 | 1 |
| 10 | 7156 |
| 11 | 1432 |
| 12 | 168 |
| 13 | 16 |
| 14 | 1 |
| 15 | 729895 |
| 16 | 101725 |
| 17 | 7550 |
| 18 | 450 |
| 19 | 25 |
| 20 | 1 |
| 21 | 119636226 |
| 22 | 12938076 |
| 23 | 697590 |
| 24 | 27420 |
| 25 | 990 |
| 26 | 36 |
| 27 | 1 |
| 28 | 28619359629 |
| 29 | 2559100705 |
| 30 | 110137692 |
| 31 | 3226895 |
| 32 | 78890 |
| 33 | 1911 |
| 34 | 49 |
| 35 | 1 |
| 36 | 9374688646296 |
| 37 | 721024536688 |
| 38 | 26208036736 |
| 39 | 624158528 |
| 40 | 11572400 |
| 41 | 193312 |
| 42 | 3360 |
| 43 | 64 |
| 44 | 1 |
[1,1,1,6,4,1,132,45,9,1,7156,1432,168,16,1,729895, 101725,7550,450,25,1,119636226,12938076,697590, 27420,990,36,1,28619359629,2559100705,110137692, 3226895,78890,1911,49,1,9374688646296, 721024536688,26208036736,624158528,11572400, 193312,3360,64,1] |