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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 24 |
| 5 | 120 |
| 6 | 720 |
| 7 | 5040 |
| 8 | 40320 |
| 9 | 362880 |
| 10 | 1 |
| 11 | 2 |
| 12 | 6 |
| 13 | 24 |
| 14 | 120 |
| 15 | 720 |
| 16 | 5040 |
| 17 | 40320 |
| 18 | 362880 |
| 19 | 3628800 |
| 20 | 2 |
| 21 | 6 |
| 22 | 24 |
| 23 | 120 |
| 24 | 720 |
| 25 | 5040 |
| 26 | 40320 |
| 27 | 362880 |
| 28 | 3628800 |
| 29 | 39916800 |
| 30 | 6 |
| 31 | 24 |
| 32 | 120 |
| 33 | 720 |
| 34 | 5040 |
| 35 | 40320 |
| 36 | 362880 |
| 37 | 3628800 |
| 38 | 39916800 |
| 39 | 479001600 |
| 40 | 24 |
| 41 | 120 |
| 42 | 720 |
| 43 | 5040 |
[1,1,2,6,24,120,720,5040,40320,362880,1,2,6,24, 120,720,5040,40320,362880,3628800,2,6,24,120,720, 5040,40320,362880,3628800,39916800,6,24,120,720, 5040,40320,362880,3628800,39916800,479001600,24, 120,720,5040] |