3*(10^n-5).
15, 285, 2985, 29985, 299985, 2999985, 29999985, 299999985, 2999999985
2 seqfan posts
Sat Jun 5 06:34:38 CEST 2010 [seqfan] Re: summer hours
Sat Jun 5 06:19:01 CEST 2010 [seqfan] Re: summer hours
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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