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A138270 as a simple table

na(n)
01
10
20
3-2
4-2
50
60
74
80
90
100
110
122
130
140
150
16-2
170
180
19-4
200
210
220
230
240
250
260
27-2
284
290
300
314
320
330
340
350
36-2
370
380
394
400
410
420
43-4
440
450
460
470
48-2
490
500
510
52-4
530
540
550
560
570
580
590
600
610
620
634
646
650
660
67-4
680
690
700
710
720
730
740
75-2
764
770
780
794
800
810
820

[1,0,0,-2,-2,0,0,4,0,0,0,0,2,0,0,0,-2,0,0,-4,0,0,
 0,0,0,0,0,-2,4,0,0,4,0,0,0,0,-2,0,0,4,0,0,0,-4,0,
 0,0,0,-2,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,4,6,0,0,-4,
 0,0,0,0,0,0,0,-2,4,0,0,4,0,0,0]