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A287933 as a simple table

na(n)
01
1-480
2168480
3-52199040
415119446560
5-4198347132480
61132514464199040
7-299116847254053120
877742157641008378400
9-19951615350261029163360
105068304275307482667436480
11-1276700988345016720650917760

[1,-480,168480,-52199040,15119446560,
 -4198347132480,1132514464199040,
 -299116847254053120,77742157641008378400,
 -19951615350261029163360,
 5068304275307482667436480,
 -1276700988345016720650917760]