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A005216 as a simple table

na(n)
11
20
30
40
50
64
731
8199
91313
109158
1168336
12546697
134682870
1442818887
15416581477
164298371842
1746896673051
18539527125454
196528590200432
2082900013695783
211102289694637302
2215317689255215159
23222056321177147564
243352587738814695770

[1,0,0,0,0,4,31,199,1313,9158,68336,546697,
 4682870,42818887,416581477,4298371842,46896673051,
 539527125454,6528590200432,82900013695783,
 1102289694637302,15317689255215159,
 222056321177147564,3352587738814695770]