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 February 2nd, 2015, 02:55 AM #1 Math Team   Joined: Apr 2010 Posts: 2,778 Thanks: 361 combinatorics and digitsum I figured you might like to see these graphs: https://oeis.org/A254524/graph
 February 2nd, 2015, 07:19 AM #2 Global Moderator     Joined: Nov 2006 From: UTC -5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms Beautiful graph!
 June 22nd, 2015, 07:41 AM #3 Senior Member   Joined: May 2015 From: Varanasi Posts: 110 Thanks: 5 Math Focus: Calculus Please help me, what is this plot about?I cannot see much description on the page.I am just curious to know.
 June 23rd, 2015, 06:50 AM #4 Math Team   Joined: Apr 2010 Posts: 2,778 Thanks: 361 (It comes from this article: https://oeis.org/A254524) The plot is about digitsums of positive integers and how often it has occured upto and including that positive integer. As shown in the example, "35 is the 4th positive integer having digitsum 8 (the others before are 8, 17 and 26) so a(35) = 4." Does that help?

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