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A319542 as a simple table

na(n)
11
251
3531
42571
515703
690271
7102053
8530102
94550102
104570102
114580102
1222900501
13134003006
141002003005
155001002003
165003001002
1730005001002
1830005002001
19200030005001
201000200030005
215000100020003
225000300010002

[1,51,531,2571,15703,90271,102053,530102,4550102,
 4570102,4580102,22900501,134003006,1002003005,
 5001002003,5003001002,30005001002,30005002001,
 200030005001,1000200030005,5000100020003,
 5000300010002]