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A117735 as a simple table

na(n)
00
10
20
30
418
590
6690
74830
840110
9362670
103628590
1139914490
12478999290
136226990770
1487178261170
151307674337970
1620922789857970
17355687427585490
186402373705217490
19121645100399132310
202432902008166940310

[0,0,0,0,18,90,690,4830,40110,362670,3628590,
 39914490,478999290,6226990770,87178261170,
 1307674337970,20922789857970,355687427585490,
 6402373705217490,121645100399132310,
 2432902008166940310]