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A333730 as a simple table

na(n)
10
20
30
41
51
64
714
8130
91981
1062616
112806508
12158937367
1310773254138
14855658147832
1578558952717569
168251166899386729
17982806390786806618
18131756175056777580011
1919748565975966429686408
203289970442222058710279611
21605948437043760750748781907
22122796504004669690100342096563

[0,0,0,1,1,4,14,130,1981,62616,2806508,158937367,
 10773254138,855658147832,78558952717569,
 8251166899386729,982806390786806618,
 131756175056777580011,19748565975966429686408,
 3289970442222058710279611,
 605948437043760750748781907,
 122796504004669690100342096563]