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A136674 as a simple table

na(n)
01
12
2-1
31
4-4
51
60
7-8
86
9-1
10-1
11-12
1219
13-8
141
15-2
16-15
1744
18-34
1910
20-1
21-3
22-16
2384
24-104
2553
26-12
271
28-4
29-14
30140
31-258
32200
33-76
3414
35-1
36-5
37-8
38210
39-552
40605
41-340
42103
43-16
441
45-6
463
47288
48-1056
491562
50-1209
51532
52-134
5318
54-1
55-7
5620
57363
58-1848
593575
60-3640
612170
62-784
63169
64-20
651

[1,2,-1,1,-4,1,0,-8,6,-1,-1,-12,19,-8,1,-2,-15,44,
 -34,10,-1,-3,-16,84,-104,53,-12,1,-4,-14,140,-258,
 200,-76,14,-1,-5,-8,210,-552,605,-340,103,-16,1,
 -6,3,288,-1056,1562,-1209,532,-134,18,-1,-7,20,
 363,-1848,3575,-3640,2170,-784,169,-20,1]