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A309991 as a simple table

na(n)
00
11
22
3-2
4-1
55
66
77
83
94
1010
1111
1212
138
149
15-10
16-9
17-8
18-12
19-11
20-5
21-4
22-3
23-7
24-6
2525
2626
2727
2823
2924
3030
3131
3232
3328
3429
3535
3636
3737
3833
3934
4015
4116
4217
4313
4414
4520
4621
4722
4818
4919
5050
5151
5252
5348
5449
5555
5656
5757
5853
5954
6060
6161
6262
6358
6459
6540
6641

[0,1,2,-2,-1,5,6,7,3,4,10,11,12,8,9,-10,-9,-8,-12,
 -11,-5,-4,-3,-7,-6,25,26,27,23,24,30,31,32,28,29,
 35,36,37,33,34,15,16,17,13,14,20,21,22,18,19,50,
 51,52,48,49,55,56,57,53,54,60,61,62,58,59,40,41]