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A074193 as a simple table

na(n)
06
1-1
2-3
3-1
417
5-16
6-15
713
881
9-127
10-58
11175
12329
13-885
14-31
151424
16833
17-5543
182181
199233
20-2298
21-31025
2227893
2349495
24-54879
25-150416
26245697
27204965
28-526887
29-570895
301801670
31407711
32-3882303
33-946397
3411542929
35-3442672
36-24121039
3710317745
3864959629
39-56727711
40-127083514

[6,-1,-3,-1,17,-16,-15,13,81,-127,-58,175,329,
 -885,-31,1424,833,-5543,2181,9233,-2298,-31025,
 27893,49495,-54879,-150416,245697,204965,-526887,
 -570895,1801670,407711,-3882303,-946397,11542929,
 -3442672,-24121039,10317745,64959629,-56727711,
 -127083514]