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A248952 as a simple table

na(n)
00
10
2-4
30
4-47
5-46
60
7-6362
8-23
9-22
100
11-32
12-471
13-470
14-29
150
16-218
17-4843985
18-39
19-38
20-657367
210
22-101
23-57
24-56
25-7609937
26-45
27-44
280
29-736
30-56168428
31-3113136
32-3113135
33-3113134
34-3113133
35-51
360
37-190
38-1213998
39-1213997
40-495
41-62
42-61
43-60

[0,0,-4,0,-47,-46,0,-6362,-23,-22,0,-32,-471,-470,
 -29,0,-218,-4843985,-39,-38,-657367,0,-101,-57,
 -56,-7609937,-45,-44,0,-736,-56168428,-3113136,
 -3113135,-3113134,-3113133,-51,0,-190,-1213998,
 -1213997,-495,-62,-61,-60]