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A135468 as a simple table

na(n)
20
30
41
50
60
70
80
9-2
100
110
120
130
14-18
150
160
170
180
1936
200
210
220
230
24122
250
260
270
280
29-144
300
310
320
330
34-852
350
360
370
380
39-96
400
410
420
430
445244
450
460
470
480
49-4538
500
510
520
530
54-7332
550
560
570
580
59151164
600
610
620
630
6467896
650
660
670
680
69236208
700
710
720
730
74-1405224
750
760
770
780
79577248
800
810
820
830
84-20031881

[0,0,1,0,0,0,0,-2,0,0,0,0,-18,0,0,0,0,36,0,0,0,0,
 122,0,0,0,0,-144,0,0,0,0,-852,0,0,0,0,-96,0,0,0,0,
 5244,0,0,0,0,-4538,0,0,0,0,-7332,0,0,0,0,151164,0,
 0,0,0,67896,0,0,0,0,236208,0,0,0,0,-1405224,0,0,0,
 0,577248,0,0,0,0,-20031881]