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A279527 as a simple table

na(n)
10
20
30
42
54
62
74
846
946
104
1114
12384
131168
14384
1514
1640
172894
1823610
1923610
202894
2140
22120
2320444
24456846
251280440
26456846
2720444
28120
29352
30138944
318451524
3266239560
3366239560
348451524
35138944
36352
371032
38918744
39152161078
403300066400
419202124094

[0,0,0,2,4,2,4,46,46,4,14,384,1168,384,14,40,2894,
 23610,23610,2894,40,120,20444,456846,1280440,
 456846,20444,120,352,138944,8451524,66239560,
 66239560,8451524,138944,352,1032,918744,152161078,
 3300066400,9202124094]