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A054655 as a simple table

na(n)
01
11
2-1
31
4-5
56
61
7-12
847
9-60
101
11-22
12179
13-638
14840
151
16-35
17485
18-3325
1911274
20-15120
211
22-51
231075
24-11985
2574524
26-245004
27332640
281
29-70
302086
31-34300
32336049
33-1961470
346314664
35-8648640
361
37-92
383682
39-83720
401182769

[1,1,-1,1,-5,6,1,-12,47,-60,1,-22,179,-638,840,1,
 -35,485,-3325,11274,-15120,1,-51,1075,-11985,
 74524,-245004,332640,1,-70,2086,-34300,336049,
 -1961470,6314664,-8648640,1,-92,3682,-83720,
 1182769]