The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 21 |
| 5 | 6 |
| 6 | 144 |
| 7 | 8 |
| 8 | 315 |
| 9 | 52 |
| 10 | 324 |
| 11 | 12 |
| 12 | 28224 |
| 13 | 14 |
| 14 | 576 |
| 15 | 576 |
| 16 | 9765 |
| 17 | 18 |
| 18 | 73008 |
| 19 | 20 |
| 20 | 95256 |
| 21 | 1024 |
| 22 | 1296 |
| 23 | 24 |
| 24 | 25401600 |
| 25 | 186 |
| 26 | 1764 |
| 27 | 2080 |
| 28 | 225792 |
| 29 | 30 |
| 30 | 26873856 |
| 31 | 32 |
| 32 | 615195 |
| 33 | 2304 |
| 34 | 2916 |
| 35 | 2304 |
| 36 | 1302170688 |
| 37 | 38 |
| 38 | 3600 |
| 39 | 3136 |
| 40 | 128595600 |
| 41 | 42 |
| 42 | 84934656 |
| 43 | 44 |
| 44 | 762048 |
| 45 | 584064 |
[1,3,4,21,6,144,8,315,52,324,12,28224,14,576,576, 9765,18,73008,20,95256,1024,1296,24,25401600,186, 1764,2080,225792,30,26873856,32,615195,2304,2916, 2304,1302170688,38,3600,3136,128595600,42, 84934656,44,762048,584064] |