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A331185 as a simple table

na(n)
1-1
20
30
42
50
64
70
85
96
105
110
1210
130
147
154
1614
170
1815
190
2015
218
225
230
2422
2520
267
274
2821
290
3027
310
3221
334
343
35-2
3634
370
38-3
39-4
4035
410
4235
430
4431
4528
46-1
470
4846
4942
5031
51-2
5229
530
5443
55-4
5643
57-4
58-9
590
6058
610
62-9
6334
6462
65-8
6649
670
6837
69-10
7051
710
7269
730
74-9
7538
7635
77-12
7855
790
8077
8178
82-15
830
8479
85-16
86-17
87-20
8859
890
9083

[-1,0,0,2,0,4,0,5,6,5,0,10,0,7,4,14,0,15,0,15,8,5,
 0,22,20,7,4,21,0,27,0,21,4,3,-2,34,0,-3,-4,35,0,
 35,0,31,28,-1,0,46,42,31,-2,29,0,43,-4,43,-4,-9,0,
 58,0,-9,34,62,-8,49,0,37,-10,51,0,69,0,-9,38,35,
 -12,55,0,77,78,-15,0,79,-16,-17,-20,59,0,83]