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A030487 as a simple table

na(n)
15
215
385
4165
5235
61665
715085
816665
9166665
10268835
111666665
125076665
1316666665
1452683515
15165898335
16166666665
17278433515
18507668915
19850032485
201508559835
211666666665
2215085017485
2316666666665
24166666666665

[5,15,85,165,235,1665,15085,16665,166665,268835,
 1666665,5076665,16666665,52683515,165898335,
 166666665,278433515,507668915,850032485,
 1508559835,1666666665,15085017485,16666666665,
 166666666665]

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Last modified September 24 10:38 EDT 2024. Contains 376196 sequences. (Running on oeis4.)