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A077904 as a simple table

na(n)
01
10
21
32
4-1
54
61
7-2
811
9-8
105
1118
12-33
1344
14-7
15-58
16147
17-160
1845
19250
20-569
21660
22-159
23-978
242299
25-2616
26661
273938
28-9169
2910492
30-2615
31-15722
3236707
33-41936
3410493
3562922
36-146793
37167780
38-41935
39-251650
40587211
41-671080
42167781
431006642
44-2348801
452684364
46-671079
47-4026522

[1,0,1,2,-1,4,1,-2,11,-8,5,18,-33,44,-7,-58,147,
 -160,45,250,-569,660,-159,-978,2299,-2616,661,
 3938,-9169,10492,-2615,-15722,36707,-41936,10493,
 62922,-146793,167780,-41935,-251650,587211,
 -671080,167781,1006642,-2348801,2684364,-671079,
 -4026522]