| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 12 |
| 4 | 180 |
| 5 | 30 |
| 6 | 1428 |
| 7 | 56 |
| 8 | 2520 |
| 9 | 90 |
| 10 | 2310 |
| 11 | 132 |
| 12 | 100292556 |
| 13 | 182 |
| 14 | 9240 |
| 15 | 240 |
| 16 | 119952 |
| 17 | 306 |
| 18 | 614444040 |
| 19 | 380 |
| 20 | 23100 |
| 21 | 462 |
| 22 | 42190274940 |
| 23 | 552 |
| 24 | 77390453400 |
| 25 | 650 |
| 26 | 201474 |
| 27 | 756 |
| 28 | 23370247110 |
| 29 | 870 |
| 30 | 200880 |
| 31 | 992 |
| 32 | 14523137084239067683872 |
| 33 | 1122 |
| 34 | 2206260 |
| 35 | 1260 |
| 36 | 104845560637757648698080 |
[2,3,12,180,30,1428,56,2520,90,2310,132,100292556, 182,9240,240,119952,306,614444040,380,23100,462, 42190274940,552,77390453400,650,201474,756, 23370247110,870,200880,992, 14523137084239067683872,1122,2206260,1260, 104845560637757648698080] |