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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 1 |
| 5 | 1 |
| 6 | 18 |
| 7 | 44 |
| 8 | 18 |
| 9 | 1 |
| 10 | 1 |
| 11 | 68 |
| 12 | 615 |
| 13 | 1236 |
| 14 | 615 |
| 15 | 68 |
| 16 | 1 |
| 17 | 1 |
| 18 | 250 |
| 19 | 7313 |
| 20 | 46812 |
| 21 | 84910 |
| 22 | 46812 |
| 23 | 7313 |
| 24 | 250 |
| 25 | 1 |
| 26 | 1 |
| 27 | 922 |
| 28 | 85801 |
| 29 | 1592348 |
| 30 | 8241540 |
| 31 | 14024408 |
| 32 | 8241540 |
| 33 | 1592348 |
| 34 | 85801 |
| 35 | 922 |
| 36 | 1 |
| 37 | 1 |
| 38 | 3430 |
| 39 | 1030330 |
| 40 | 54926890 |
| 41 | 759337545 |
| 42 | 3397542544 |
| 43 | 5530983756 |
| 44 | 3397542544 |
| 45 | 759337545 |
| 46 | 54926890 |
| 47 | 1030330 |
| 48 | 3430 |
| 49 | 1 |
[1,1,4,1,1,18,44,18,1,1,68,615,1236,615,68,1,1, 250,7313,46812,84910,46812,7313,250,1,1,922,85801, 1592348,8241540,14024408,8241540,1592348,85801, 922,1,1,3430,1030330,54926890,759337545, 3397542544,5530983756,3397542544,759337545, 54926890,1030330,3430,1] |