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A081658 as a simple table

na(n)
01
11
20
31
40
5-1
61
70
8-3
90
101
110
12-6
130
145
151
160
17-10
180
1925
200
211
220
23-15
240
2575
260
27-61
281
290
30-21
310
32175
330
34-427
350
361
370
38-28
390
40350
410
42-1708
430
441385
451
460
47-36
480
49630
500
51-5124
520
5312465
540
551
560
57-45
580
591050
600
61-12810
620
6362325
640
65-50521
661
670
68-55
690
701650
710
72-28182
730
74228525
750
76-555731
770
781
790
80-66
810
822475
830

[1,1,0,1,0,-1,1,0,-3,0,1,0,-6,0,5,1,0,-10,0,25,0,
 1,0,-15,0,75,0,-61,1,0,-21,0,175,0,-427,0,1,0,-28,
 0,350,0,-1708,0,1385,1,0,-36,0,630,0,-5124,0,
 12465,0,1,0,-45,0,1050,0,-12810,0,62325,0,-50521,
 1,0,-55,0,1650,0,-28182,0,228525,0,-555731,0,1,0,
 -66,0,2475,0]