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A111839 as a simple table

n a(n)
0 0
1 1
2 -6
3 142
4 31800
5 -159468264
6 -2481298801008
7 1414130111428687344
8 1827317023092830201950080
9 -89946874545119714361987192509568
10 -9262235489215916508714844705185660161280

[0,1,-6,142,31800,-159468264,-2481298801008,
 1414130111428687344,1827317023092830201950080,
 -89946874545119714361987192509568,
 -9262235489215916508714844705185660161280]

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Last modified April 23 07:34 EDT 2024. Contains 371905 sequences. (Running on oeis4.)