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A125370 as a simple table

na(n)
01
17
247
3307
42067
513927
693887
7632947
84267107
928767367
10193939727
111307475187
128814549747
1359424674407
14400620795167
152700848143027
1618208192833987
17122753397719047
18827561350484207
195579135091500467

[1,7,47,307,2067,13927,93887,632947,4267107,
 28767367,193939727,1307475187,8814549747,
 59424674407,400620795167,2700848143027,
 18208192833987,122753397719047,827561350484207,
 5579135091500467]