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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | -958 |
| 3 | -30740 |
| 4 | 2733292 |
| 5 | 157424600 |
| 6 | -12884868680 |
| 7 | -1128180047600 |
| 8 | 84143536968080 |
| 9 | 10390351292567200 |
| 10 | -697311246084385760 |
| 11 | -116903029136204833600 |
| 12 | 6946277990568033138880 |
| 13 | 1553663637818936898774400 |
| 14 | -80002471104083358804411520 |
| 15 | -23812890514414926932690528000 |
[1,10,-958,-30740,2733292,157424600,-12884868680, -1128180047600,84143536968080,10390351292567200, -697311246084385760,-116903029136204833600, 6946277990568033138880,1553663637818936898774400, -80002471104083358804411520, -23812890514414926932690528000] |