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A204531 as a simple table

na(n)
01
12
20
30
40
5-4
60
70
8-4
92
100
110
120
13-4
140
150
164
174
180
190
200
210
220
230
240
256
260
270
280
29-4
300
310
324
330
340
350
360
37-4
380
390
40-8
414
420
430
440
45-4
460
470
480
492
500
510
520
53-4
540
550
560
570
580
590
600
61-4
620
630
644
658
660
670
680
690
700
710
72-4
734
740
750
760
770
780
790
808
812
820
830
840
85-8
860
870
880
894
900
910
920
930
940
950
960
974
980

[1,2,0,0,0,-4,0,0,-4,2,0,0,0,-4,0,0,4,4,0,0,0,0,0,
 0,0,6,0,0,0,-4,0,0,4,0,0,0,0,-4,0,0,-8,4,0,0,0,-4,
 0,0,0,2,0,0,0,-4,0,0,0,0,0,0,0,-4,0,0,4,8,0,0,0,0,
 0,0,-4,4,0,0,0,0,0,0,8,2,0,0,0,-8,0,0,0,4,0,0,0,0,
 0,0,0,4,0]