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A068389 as a simple table

na(n)
00
11
2-1
33
4-2
5-1
65
7-5
81
98
10-6
11-3
1211
13-10
14-1
1515
16-10
1712
18-17
1921
20-18
21-2
2226
232
24-29
259
2626
274
282
29-41
301
3110
3234
33-40
3446
35-48
3654
372
38-59
3965
40-50
4154
422
436
44-76
4516
4664
476
48-87
4995
504
512
524
532
54-86
5590
56-102
57-6
58122
59-125
605
61124
626
632
64-136

[0,1,-1,3,-2,-1,5,-5,1,8,-6,-3,11,-10,-1,15,-10,
 12,-17,21,-18,-2,26,2,-29,9,26,4,2,-41,1,10,34,
 -40,46,-48,54,2,-59,65,-50,54,2,6,-76,16,64,6,-87,
 95,4,2,4,2,-86,90,-102,-6,122,-125,5,124,6,2,-136]