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A253059 as a simple table

na(n)
10
21
32
42
52
64
77
88
913
1010
1162
1215
13140
1492
15300
16180
17704
181880
192053
204381

[0,1,2,2,2,4,7,8,13,10,62,15,140,92,300,180,704,
 1880,2053,4381]