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A030016 as a simple table

na(n)
01
11
20
31
4-2
55
6-14
737
8-90
9205
10-442
11899
12-1700
132913
14-4302
154747
16-1080
17-14001
1855336
19-150395
20346164
21-716967
221369430
23-2432789
244002994
25-5964749
267525018
27-6123027
28-4900092
2940900519
30-134308944
31348584679
32-798958750

[1,1,0,1,-2,5,-14,37,-90,205,-442,899,-1700,2913,
 -4302,4747,-1080,-14001,55336,-150395,346164,
 -716967,1369430,-2432789,4002994,-5964749,7525018,
 -6123027,-4900092,40900519,-134308944,348584679,
 -798958750]