The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 3 |
| 4 | 60 |
| 5 | 78 |
| 6 | 9 |
| 7 | 120 |
| 8 | 7620 |
| 9 | 15 |
| 10 | 21 |
| 11 | 360 |
| 12 | 28920 |
| 13 | 315 |
| 14 | 75 |
| 15 | 81 |
| 16 | 840 |
| 17 | 261720 |
| 18 | 1326 |
| 19 | 495 |
| 20 | 63 |
| 21 | 147 |
| 22 | 3360 |
| 23 | 1422120 |
| 24 | 3465 |
| 25 | 22542 |
| 26 | 525 |
| 27 | 189 |
| 28 | 729 |
| 29 | 2520 |
| 30 | 22622880 |
| 31 | 17325 |
| 32 | 44574 |
| 33 | 5005 |
| 34 | 1275 |
| 35 | 357 |
| 36 | 903 |
| 37 | 5040 |
| 38 | 12728520 |
| 39 | 45045 |
| 40 | 199578 |
| 41 | 6435 |
| 42 | 16575 |
| 43 | 1287 |
| 44 | 1197 |
| 45 | 3025 |
| 46 | 10080 |
| 47 | 50858640 |
| 48 | 51975 |
| 49 | 7734558 |
| 50 | 34034 |
| 51 | 131835 |
| 52 | 2145 |
| 53 | 3861 |
| 54 | 2499 |
| 55 | 6875 |
[1,6,3,60,78,9,120,7620,15,21,360,28920,315,75,81, 840,261720,1326,495,63,147,3360,1422120,3465, 22542,525,189,729,2520,22622880,17325,44574,5005, 1275,357,903,5040,12728520,45045,199578,6435, 16575,1287,1197,3025,10080,50858640,51975,7734558, 34034,131835,2145,3861,2499,6875] |