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A066087 as a simple table

na(n)
10
20
30
40
50
60
70
80
9-1
100
110
122
130
140
150
160
170
181
190
200
210
220
230
242
25-1
260
270
28-2
290
300
310
320
330
340
350
36-1
370
380
390
400
410
420
430
442
45-2
460
470
482
491
50-1
510
52-4
530
544
550
5618
570
580
590
600
610
620
630
640
650
660
670
680
690
700
710
721
730
740
75-4
76-2
770
780
790
800
81-1
820
830
84-4
850
860
870
8818
890
90-2
910
922
930
940
950
962
970
98-3
998
100-1
1010
1020
1030
1040
1050
1060
1070
1082
1090
1100
1110
1122
1130
1140
1150
11612
117-6

[0,0,0,0,0,0,0,0,-1,0,0,2,0,0,0,0,0,1,0,0,0,0,0,2,
 -1,0,0,-2,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,2,-2,0,0,
 2,1,-1,0,-4,0,4,0,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,1,0,0,-4,-2,0,0,0,0,-1,0,0,-4,0,0,0,18,0,-2,0,2,
 0,0,0,2,0,-3,8,-1,0,0,0,0,0,0,0,2,0,0,0,2,0,0,0,
 12,-6]