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A002206 as a simple table

n a(n)
-1 1
0 1
1 -1
2 1
3 -19
4 3
5 -863
6 275
7 -33953
8 8183
9 -3250433
10 4671
11 -13695779093
12 2224234463
13 -132282840127
14 2639651053
15 -111956703448001
16 50188465
17 -2334028946344463
18 301124035185049
19 -12365722323469980029

[1,1,-1,1,-19,3,-863,275,-33953,8183,-3250433,
 4671,-13695779093,2224234463,-132282840127,
 2639651053,-111956703448001,50188465,
 -2334028946344463,301124035185049,
 -12365722323469980029]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)