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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 3 |
| 8 | 2 |
| 9 | 9 |
| 10 | 15 |
| 11 | 9 |
| 12 | 3 |
| 13 | 36 |
| 14 | 42 |
| 15 | 18 |
| 16 | 4 |
| 17 | 100 |
| 18 | 90 |
| 19 | 30 |
| 20 | 5 |
| 21 | 225 |
| 22 | 165 |
| 23 | 45 |
| 24 | 6 |
| 25 | 441 |
| 26 | 273 |
| 27 | 63 |
| 28 | 7 |
| 29 | 784 |
| 30 | 420 |
| 31 | 84 |
| 32 | 8 |
| 33 | 1296 |
| 34 | 612 |
| 35 | 108 |
| 36 | 9 |
| 37 | 2025 |
| 38 | 855 |
| 39 | 135 |
| 40 | 10 |
| 41 | 3025 |
| 42 | 1155 |
| 43 | 165 |
| 44 | 11 |
| 45 | 4356 |
| 46 | 1518 |
| 47 | 198 |
| 48 | 12 |
| 49 | 6084 |
| 50 | 1950 |
| 51 | 234 |
| 52 | 13 |
| 53 | 8281 |
| 54 | 2457 |
| 55 | 273 |
| 56 | 14 |
| 57 | 11025 |
| 58 | 3045 |
| 59 | 315 |
| 60 | 15 |
| 61 | 14400 |
| 62 | 3720 |
| 63 | 360 |
| 64 | 16 |
[0,0,0,1,1,3,3,2,9,15,9,3,36,42,18,4,100,90,30,5, 225,165,45,6,441,273,63,7,784,420,84,8,1296,612, 108,9,2025,855,135,10,3025,1155,165,11,4356,1518, 198,12,6084,1950,234,13,8281,2457,273,14,11025, 3045,315,15,14400,3720,360,16] |