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A138197 as a simple table

na(n)
12
23
30
45
51
60
77
81
9-3
10-2
1111
125
13-1
14-5
15-2
1613
177
181
19-5
20-5
2114
2217
2311
245
25-5
26-21
27-27
2824
2919
3013
3111
3211
331
34-37
35-91
36-54
3723
3813
395
405
4117
4227
43-13
44-153
45-294
4629
4721
4811
49-1
50-9
513
5249
5387
54-57
55-588
5631
5723
5817
5913
605
61-19
62-51
63-9
64237
65527
66-156
6737
6827
6915
707
7115
7235
737
74-159
75-347
7695
771871
783212
7941
8035
8125
825
83-15

[2,3,0,5,1,0,7,1,-3,-2,11,5,-1,-5,-2,13,7,1,-5,-5,
 14,17,11,5,-5,-21,-27,24,19,13,11,11,1,-37,-91,
 -54,23,13,5,5,17,27,-13,-153,-294,29,21,11,-1,-9,
 3,49,87,-57,-588,31,23,17,13,5,-19,-51,-9,237,527,
 -156,37,27,15,7,15,35,7,-159,-347,95,1871,3212,41,
 35,25,5,-15]