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A019202 as a simple table

na(n)
30
40
54
64
78
830
952
10103
11289
12707
131486
143513
159229
1621679
1751373
18133607
19336395
20839750
212185547
225693422
2314775023
2438903387
25102970446
26272352898
27723149230
281926009090
295131018080
3013681082773
3136530345424

[0,0,4,4,8,30,52,103,289,707,1486,3513,9229,21679,
 51373,133607,336395,839750,2185547,5693422,
 14775023,38903387,102970446,272352898,723149230,
 1926009090,5131018080,13681082773,36530345424]