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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 2 |
| 7 | 9 |
| 8 | 13 |
| 9 | 6 |
| 10 | 5 |
| 11 | 32 |
| 12 | 72 |
| 13 | 69 |
| 14 | 24 |
| 15 | 16 |
| 16 | 132 |
| 17 | 409 |
| 18 | 605 |
| 19 | 432 |
| 20 | 120 |
| 21 | 61 |
| 22 | 623 |
| 23 | 2480 |
| 24 | 5016 |
| 25 | 5498 |
| 26 | 3120 |
| 27 | 720 |
| 28 | 271 |
| 29 | 3314 |
| 30 | 16222 |
| 31 | 41955 |
| 32 | 62626 |
| 33 | 54370 |
| 34 | 25560 |
| 35 | 5040 |
| 36 | 1372 |
| 37 | 19628 |
| 38 | 114594 |
| 39 | 363123 |
| 40 | 690935 |
| 41 | 814690 |
| 42 | 584580 |
| 43 | 234360 |
| 44 | 40320 |
[1,1,1,1,3,2,2,9,13,6,5,32,72,69,24,16,132,409, 605,432,120,61,623,2480,5016,5498,3120,720,271, 3314,16222,41955,62626,54370,25560,5040,1372, 19628,114594,363123,690935,814690,584580,234360, 40320] |