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A012206 as a simple table

n a(n)
0 1
1 -3
2 49
3 -1859
4 119617
5 -10283171
6 678311217
7 246695568861
8 -270153706006015
9 221300400903581245
10 -191103844337252819535
11 185242544952868387351165
12 -204711474044267911803243455

[1,-3,49,-1859,119617,-10283171,678311217,
 246695568861,-270153706006015,221300400903581245,
 -191103844337252819535,185242544952868387351165,
 -204711474044267911803243455]

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Last modified February 21 15:59 EST 2024. Contains 370237 sequences. (Running on oeis4.)