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A224182 as a simple table

na(n)
10
20
30
41
511
687
7625
84378
930671
10216883
111552588
1211257405
1382635707
14613600423
154604595573
1634889238855
17266697050660
182055119789289

[0,0,0,1,11,87,625,4378,30671,216883,1552588,
 11257405,82635707,613600423,4604595573,
 34889238855,266697050660,2055119789289]