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A028349 as a simple table

na(n)
11
25
311
455
5131
6181
7505
8929
91331
109119
1110301
1214041
1315251
14106601
15145541
16196691
171003001
181284821
191712171
209452549
21100030001
22106636601
23112434211
24160111061
25174464471
26924494429
27950828059
28990707099
291067557601
309140220419
319300770039

[1,5,11,55,131,181,505,929,1331,9119,10301,14041,
 15251,106601,145541,196691,1003001,1284821,
 1712171,9452549,100030001,106636601,112434211,
 160111061,174464471,924494429,950828059,990707099,
 1067557601,9140220419,9300770039]