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A136587 as a simple table

na(n)
12
2-2
31
41
56
60
7-8
80
91
10-48
11-5
1287
131
14-20
150
161
17392
180
19-984
200
21346
220
23-35
240
251
26-3840
2733
2812645
29-14
30-6090
311
32938
330
34-54
350
361
3746032
380
39-187338
400
41114745
420
43-23813
440
452070
460
47-77
480
491
50-645120
51-279
523133935
53185
54-2336040
55-27
56611415
571
58-71280
590
603993
610
62-104
630
641
6510322304
660
67-58438830
680

[2,-2,1,1,6,0,-8,0,1,-48,-5,87,1,-20,0,1,392,0,
 -984,0,346,0,-35,0,1,-3840,33,12645,-14,-6090,1,
 938,0,-54,0,1,46032,0,-187338,0,114745,0,-23813,0,
 2070,0,-77,0,1,-645120,-279,3133935,185,-2336040,
 -27,611415,1,-71280,0,3993,0,-104,0,1,10322304,0,
 -58438830,0]