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A136247 as a simple table

na(n)
01
11
2-1
31
4-1
51
61
72
82
9-1
101
116
12-4
13-3
141
151
16-4
17-20
186
194
20-1
211
22-40
238
2444
25-8
26-5
271
281
29-12
30188
31-6
32-80
3310
346
35-1
361
37308
38136
39-546
40-10
41130
42-12
43-7
441
451
46416
47-1864
48-628
491256
5050
51-196
5214
538
54-1
551
56-2664
57-3640
586696
591984
60-2506
61-126
62280
63-16
64-9
651

[1,1,-1,1,-1,1,1,2,2,-1,1,6,-4,-3,1,1,-4,-20,6,4,
 -1,1,-40,8,44,-8,-5,1,1,-12,188,-6,-80,10,6,-1,1,
 308,136,-546,-10,130,-12,-7,1,1,416,-1864,-628,
 1256,50,-196,14,8,-1,1,-2664,-3640,6696,1984,
 -2506,-126,280,-16,-9,1]