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A170832 as a simple table

na(n)
23
33
49
59
633
727
899
999
10297
11297
12945
13891
142835
152835
168505
178505
1826001
1925515
2078003
2178003
22234009
23234009
24706401
25702027
262119203
272119203
286357609
296357609
3019112193
3119072827
3257336579
3357336579
34172009737
35172009737
36516383505
37516029211
381549150515

[3,3,9,9,33,27,99,99,297,297,945,891,2835,2835,
 8505,8505,26001,25515,78003,78003,234009,234009,
 706401,702027,2119203,2119203,6357609,6357609,
 19112193,19072827,57336579,57336579,172009737,
 172009737,516383505,516029211,1549150515]