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A012940 as a simple table

na(n)
01
1-4
28
3-118
41912
553094
67487532
7722809274
892118225104
913286089862286
102227449108601940
11418148868660099330
1284975662262230959480
1317350569219593304893078
142817250972553523348038716
15-252622788373980942633484214

[1,-4,8,-118,1912,53094,7487532,722809274,
 92118225104,13286089862286,2227449108601940,
 418148868660099330,84975662262230959480,
 17350569219593304893078,2817250972553523348038716,
 -252622788373980942633484214]