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A194479 as a simple table

na(n)
10
20
30
40
515
63525
798473
81237434
99821400
1057367112
11268378248
121059987987
133661533037
1411341971885
1532090198922
1684099053568
17206386405560
18478423135296
191054963957500
202225704950054
214514320792971
228838377453829

[0,0,0,0,15,3525,98473,1237434,9821400,57367112,
 268378248,1059987987,3661533037,11341971885,
 32090198922,84099053568,206386405560,478423135296,
 1054963957500,2225704950054,4514320792971,
 8838377453829]