[seqfan] Shouldn't A158624 be hard and base?
Alonso Del Arte
alonso.delarte at gmail.com
Mon Apr 2 01:42:09 CEST 2012
A158624 is the upper limit of the "backward" value of 5^n. I'm thinking
this should have keyword:base because its value depends on base 10 (in
quintal it would of course just be 1/5), and keyword:hard because there is
no known formula.
P.S. I have chosen this for Sequence of the Day for November
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