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A013559 as a simple table

n a(n)
0 1
1 -1
2 1
3 1
4 -7
5 1
6 97
7 -55
8 -2063
9 143
10 17803
11 -968167
12 -250781
13 7000033
14 -166831871
15 -571772647
16 43685848289
17 843598411471
18 -447550424579
19 -1263845119891
20 84677077231169
21 740683182137153
22 -11657476758734011
23 -474904166544135457
24 28924058075775365981
25 -2379183287545454197

[1,-1,1,1,-7,1,97,-55,-2063,143,17803,-968167,
 -250781,7000033,-166831871,-571772647,43685848289,
 843598411471,-447550424579,-1263845119891,
 84677077231169,740683182137153,-11657476758734011,
 -474904166544135457,28924058075775365981,
 -2379183287545454197]

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)