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A006199 as a simple table

n a(n)
1 0
2 1
3 -3
4 21
5 -185
6 2010
7 -25914
8 386407
9 -6539679
10 123823305
11 -2593076255
12 59505341676
13 -1484818160748
14 40025880386401
15 -1159156815431055
16 35891098374564105
17 -1183172853341759129
18 41372997479943753582
19 -1529550505546305534414
20 59608871544962952539335

[0,1,-3,21,-185,2010,-25914,386407,-6539679,
 123823305,-2593076255,59505341676,-1484818160748,
 40025880386401,-1159156815431055,
 35891098374564105,-1183172853341759129,
 41372997479943753582,-1529550505546305534414,
 59608871544962952539335]

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Last modified April 24 17:02 EDT 2024. Contains 371962 sequences. (Running on oeis4.)