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A338489 as a simple table

na(n)
00
10
2-1
30
43
50
617
7-10
8134
9354
101329
114155
123924
1319797
14-94380
15787794
162901480
17-1907466
1838192984
19204434670
20-304139881
21115819260
22-12372023755
236328965122
24-397725674235
251196412908415
266734756394444
27-6589458328753
2848604536424455
29-1553224821563460
302464230045322035

[0,0,-1,0,3,0,17,-10,134,354,1329,4155,3924,19797,
 -94380,787794,2901480,-1907466,38192984,204434670,
 -304139881,115819260,-12372023755,6328965122,
 -397725674235,1196412908415,6734756394444,
 -6589458328753,48604536424455,-1553224821563460,
 2464230045322035]