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A174893 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 1 |
| 4 | 2 |
| 5 | -3 |
| 6 | 1 |
| 7 | 6 |
| 8 | 11 |
| 9 | -6 |
| 10 | 1 |
| 11 | 24 |
| 12 | 10 |
| 13 | 35 |
| 14 | -10 |
| 15 | 1 |
| 16 | 120 |
| 17 | 94 |
| 18 | -45 |
| 19 | 85 |
| 20 | -15 |
| 21 | 1 |
| 22 | 720 |
| 23 | 756 |
| 24 | 364 |
| 25 | -315 |
| 26 | 175 |
| 27 | -21 |
| 28 | 1 |
| 29 | 5040 |
| 30 | 6348 |
| 31 | 2828 |
| 32 | 1729 |
| 33 | -1120 |
| 34 | 322 |
| 35 | -28 |
| 36 | 1 |
| 37 | 40320 |
| 38 | 57744 |
| 39 | 27404 |
| 40 | 5796 |
| 41 | 7329 |
| 42 | -3024 |
| 43 | 546 |
| 44 | -36 |
| 45 | 1 |
| 46 | 362880 |
| 47 | 572976 |
| 48 | 298980 |
| 49 | 81080 |
| 50 | -4725 |
| 51 | 25473 |
| 52 | -6930 |
[1,-1,1,2,-3,1,6,11,-6,1,24,10,35,-10,1,120,94, -45,85,-15,1,720,756,364,-315,175,-21,1,5040,6348, 2828,1729,-1120,322,-28,1,40320,57744,27404,5796, 7329,-3024,546,-36,1,362880,572976,298980,81080, -4725,25473,-6930] |