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A304359 as a simple table

na(n)
00
11
21
31
41
51
60
72
81
9-10
1039
11-58
12-166
131611
14-6311
1510083
1654195
17-565257
182727568
19-6102368
20-26464605
21394614352
22-2515452801
238797315672
2411441288836
25-458369484247
264097437715969
27-21769011878335
2836715605929957
29703213495381553
30-10042075731879152

[0,1,1,1,1,1,0,2,1,-10,39,-58,-166,1611,-6311,
 10083,54195,-565257,2727568,-6102368,-26464605,
 394614352,-2515452801,8797315672,11441288836,
 -458369484247,4097437715969,-21769011878335,
 36715605929957,703213495381553,-10042075731879152]