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A246950 as a simple table

na(n)
01
1-2
20
30
40
54
60
70
8-4
9-2
100
110
120
134
140
150
164
17-4
180
190
200
210
220
230
240
25-6
260
270
280
294
300
310
324
330
340
350
360
374
380
390
40-8
41-4
420
430
440
454
460
470
480
49-2
500
510
520
534
540
550
560
570
580
590
600
614
620
630
644
65-8
660
670
680
690
700
710
72-4
73-4
740
750
760
770
780
790
808
81-2
820

[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]