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A137426 as a simple table

na(n)
00
11
2-3
33
4-1
5-5
611
7-13
83
919
10-45
1151
12-13
13-77
14179
15-205
1651
17307
18-717
19819
20-205
21-1229
222867
23-3277
24819
254915
26-11469
2713107
28-3277
29-19661
3045875
31-52429
3213107
3378643
34-183501
35209715
36-52429
37-314573
38734003
39-838861
40209715
411258291

[0,1,-3,3,-1,-5,11,-13,3,19,-45,51,-13,-77,179,
 -205,51,307,-717,819,-205,-1229,2867,-3277,819,
 4915,-11469,13107,-3277,-19661,45875,-52429,13107,
 78643,-183501,209715,-52429,-314573,734003,
 -838861,209715,1258291]