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A184508 as a simple table

na(n)
01
11
21
33
46
533
679
7661
81564
919357
1039568
11751741
121134328
1336687892
1430140408
152174316050
1665676634
17152761870350
18-126456152854
1912495122715428
20-21554431449186
211173014849466128
22-3099148178903788
23124924998253897302
24-445406039525657880

[1,1,1,3,6,33,79,661,1564,19357,39568,751741,
 1134328,36687892,30140408,2174316050,65676634,
 152761870350,-126456152854,12495122715428,
 -21554431449186,1173014849466128,
 -3099148178903788,124924998253897302,
 -445406039525657880]