[seqfan] A098550

Frank Adams-Watters franktaw at netscape.net
Fri Nov 21 18:07:43 CET 2014

This sequence has what at first seems to be at most a marginally 
interesting graph: several straight lines. But when we look at a(n)/n:


it gets more interesting. The lines do not have integral slope, as one 
would expect them to have. Any insights into what what is going on here?

Franklin T. Adams-Watters

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