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A073508 as a simple table

na(n)
10
25
338
4303
52390
619593
7166032
81440186
912711333
10113761326
111029509896
129401974132
1386516371101

[0,5,38,303,2390,19593,166032,1440186,12711333,
 113761326,1029509896,9401974132,86516371101]