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A193925 as a simple table

na(n)
00
10
21
31
4-11
51
6-1289
71644721
82705106905705
97317603371292879756764065
1053547319099556919431874542743248407878119975324235

[0,0,1,1,-11,1,-1289,1644721,2705106905705,
 7317603371292879756764065,
 53547319099556919431874542743248407878119975324235\
 ]