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A075419 as a simple table

na(n)
03
1-1
2-4
36
4-1
5-7
612
7-8
8-9
931
10-32
11-10
1275
13-95
148
15160
16-261
17111
18308
19-682
20487
21505
22-1676
231656
24527
25-3857
264984
27-602
28-8237
2913825
30-6192
31-15872
3235891
33-26209
34-25556
3587654
36-88305
37-24903
38200860
39-264264
4038503
41426623
42-729392
43341270
44814747
45-1885407
461411928
471288224

[3,-1,-4,6,-1,-7,12,-8,-9,31,-32,-10,75,-95,8,160,
 -261,111,308,-682,487,505,-1676,1656,527,-3857,
 4984,-602,-8237,13825,-6192,-15872,35891,-26209,
 -25556,87654,-88305,-24903,200860,-264264,38503,
 426623,-729392,341270,814747,-1885407,1411928,
 1288224]