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A261251 as a simple table

na(n)
01
1-2
20
3-1
44
50
62
7-6
80
9-4
108
110
127
13-14
140
15-10
1624
170
1814
19-34
200
21-22
2248
230
2433
25-72
260
27-45
28104
290
3062
31-142
320
33-88
34192
350
36122
37-266
380
39-163
40364
410
42216
43-480
440
45-290
46632
470
48386
49-840
500
51-502
521104
530
54650
55-1426
560
57-846
581832
590
601093

[1,-2,0,-1,4,0,2,-6,0,-4,8,0,7,-14,0,-10,24,0,14,
 -34,0,-22,48,0,33,-72,0,-45,104,0,62,-142,0,-88,
 192,0,122,-266,0,-163,364,0,216,-480,0,-290,632,0,
 386,-840,0,-502,1104,0,650,-1426,0,-846,1832,0,
 1093]