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A112154 as a simple table

na(n)
01
12
22
3-4
43
52
66
7-4
87
912
1010
11-16
1216
1314
1420
15-20
1629
1740
1840
19-52
2052
2152
2270
23-68
2491
25114
26116
27-148
28149
29152
30190
31-196
32242
33296
34306
35-368
36383
37396
38478
39-496
40590
41698
42730
43-856
44897
45940
461096
47-1152
481342
491548
501630
51-1876
521975
532080
542390
55-2516

[1,2,2,-4,3,2,6,-4,7,12,10,-16,16,14,20,-20,29,40,
 40,-52,52,52,70,-68,91,114,116,-148,149,152,190,
 -196,242,296,306,-368,383,396,478,-496,590,698,
 730,-856,897,940,1096,-1152,1342,1548,1630,-1876,
 1975,2080,2390,-2516]