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A128315 as a simple table

na(n)
11
20
31
42
5-2
61
7-1
84
9-3
101
112
12-4
136
14-4
151
160
174
18-9
1910
20-5
211
222
23-6
2415
25-20
2615
27-6
281
29-2
3011
31-24
3236
33-35
3421
35-7
361
373
38-10
3929
40-56
4170
42-56
4328
44-8
451
460
476
48-30
4980
50-125
51126
52-84
5336
54-9
551
562
57-10
5845
59-120
60210
61-252
62210
63-120
6445
65-10
661
67-2
6818
69-67
70176
71-335
72463
73-462
74330
75-165
7655
77-11
781

[1,0,1,2,-2,1,-1,4,-3,1,2,-4,6,-4,1,0,4,-9,10,-5,
 1,2,-6,15,-20,15,-6,1,-2,11,-24,36,-35,21,-7,1,3,
 -10,29,-56,70,-56,28,-8,1,0,6,-30,80,-125,126,-84,
 36,-9,1,2,-10,45,-120,210,-252,210,-120,45,-10,1,
 -2,18,-67,176,-335,463,-462,330,-165,55,-11,1]