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A132951 as a simple table

na(n)
01
13
21
3-1
4-3
5-1
61
73
81
9-1
10-3
11-1
121
133
141
15-1
16-3
17-1
181
193
201
21-1
22-3
23-1
241
253
261
27-1
28-3
29-1
301
313
321
33-1
34-3
35-1
361
373
381
39-1
40-3
41-1
421
433
441
45-1
46-3
47-1
481
493
501
51-1
52-3
53-1
541
553
561
57-1
58-3
59-1
601
613
621
63-1
64-3
65-1
661
673
681
69-1
70-3
71-1
721
733
741
75-1
76-3
77-1
781
793
801
81-1
82-3
83-1
841
853
861
87-1
88-3
89-1
901
913
921
93-1
94-3
95-1
961
973
981
99-1
100-3
101-1
1021
1033
1041
105-1
106-3
107-1

[1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,
 1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,-1,
 -3,-1,1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,-1,-3,
 -1,1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,
 3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,-1,-3,-1,1,3,1,
 -1,-3,-1,1,3,1,-1,-3,-1]