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A299831 as a simple table

n a(n)
0 1
1 -248
2 57380
3 -13242240
4 3055845770
5 -705181025216
6 162730809182936
7 -37552508189222400
8 8665789092645124915
9 -1999757252424845206240
10 461473159094045987499908
11 -106491663578673234478298880
12 24574504905153510156698896190

[1,-248,57380,-13242240,3055845770,-705181025216,
 162730809182936,-37552508189222400,
 8665789092645124915,-1999757252424845206240,
 461473159094045987499908,
 -106491663578673234478298880,
 24574504905153510156698896190]

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Last modified February 7 14:16 EST 2023. Contains 360123 sequences. (Running on oeis4.)