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A075199 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
102
1110
12135
13142
14591
152667
165291
176863
1835876
1934819
20161812
21272329
22454465
23651720
243441853
253442733

[0,0,0,0,0,0,0,0,1,2,10,135,142,591,2667,5291,
 6863,35876,34819,161812,272329,454465,651720,
 3441853,3442733]