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A063000 as a simple table

na(n)
03
115
275
3322
41184
53814
610918
727772
861734
9116966
10183256
11228016
12211502
13128994
1437948

[3,15,75,322,1184,3814,10918,27772,61734,116966,
 183256,228016,211502,128994,37948]