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A118824 as a simple table

na(n)
1-2
21
3-2
42
5-2
61
7-2
84
9-2
101
11-2
122
13-2
141
15-2
168
17-2
181
19-2
202
21-2
221
23-2
244
25-2
261
27-2
282
29-2
301
31-2
3216
33-2
341
35-2
362
37-2
381
39-2
404
41-2
421
43-2
442
45-2
461
47-2
488
49-2
501
51-2
522
53-2
541
55-2
564
57-2
581
59-2
602
61-2
621
63-2
6432
65-2
661
67-2
682
69-2
701
71-2
724
73-2
741
75-2
762
77-2
781
79-2
808
81-2
821
83-2
842
85-2
861
87-2
884
89-2
901
91-2
922
93-2
941
95-2
9616
97-2
981
99-2
1002
101-2
1021

[-2,1,-2,2,-2,1,-2,4,-2,1,-2,2,-2,1,-2,8,-2,1,-2,
 2,-2,1,-2,4,-2,1,-2,2,-2,1,-2,16,-2,1,-2,2,-2,1,
 -2,4,-2,1,-2,2,-2,1,-2,8,-2,1,-2,2,-2,1,-2,4,-2,1,
 -2,2,-2,1,-2,32,-2,1,-2,2,-2,1,-2,4,-2,1,-2,2,-2,
 1,-2,8,-2,1,-2,2,-2,1,-2,4,-2,1,-2,2,-2,1,-2,16,
 -2,1,-2,2,-2,1]