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A167544 as a simple table

na(n)
4-2
5-3
6-3
7-2
80
93
107
1112
1218
1325
1433
1542
1652
1763
1875
1988
20102
21117
22133
23150
24168
25187
26207
27228
28250
29273
30297
31322
32348
33375
34403
35432
36462
37493
38525
39558
40592
41627
42663
43700
44738
45777
46817
47858
48900
49943
50987
511032
521078
531125
541173

[-2,-3,-3,-2,0,3,7,12,18,25,33,42,52,63,75,88,102,
 117,133,150,168,187,207,228,250,273,297,322,348,
 375,403,432,462,493,525,558,592,627,663,700,738,
 777,817,858,900,943,987,1032,1078,1125,1173]