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A143045 as a simple table

n a(n)
1 1
2 1
3 -2
4 -3
5 10
6 18
7 -68
8 -131
9 530
10 1062
11 -4476
12 -9198
13 39844
14 83332
15 -368136
16 -780003
17 3497058
18 7483806
19 -33940940
20 -73210874
21 335103340
22 727473084
23 -3355045304
24 -7322240718
25 33982884884
26 74498594492
27 -347600543192
28 -764936992764
29 3585459509640
30 7916276980872
31 -37253166379536

[1,1,-2,-3,10,18,-68,-131,530,1062,-4476,-9198,
 39844,83332,-368136,-780003,3497058,7483806,
 -33940940,-73210874,335103340,727473084,
 -3355045304,-7322240718,33982884884,74498594492,
 -347600543192,-764936992764,3585459509640,
 7916276980872,-37253166379536]

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Last modified May 7 05:10 EDT 2021. Contains 343636 sequences. (Running on oeis4.)