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Next Numbers Please (Posted on 2003-07-11) Difficulty: 3 of 5
What are the next two numbers in this sequence? 1, 2, 3, 5, 6, 9, 10, 15, 18, 24, 25, 34, 35, ??, ??

  Submitted by Brian Smith    
Rating: 3.6250 (8 votes)
Solution: (Hide)
The next terms are 45 and 51

The sequence is given by the following recursion: f(1) = 1 and f(n) = f(n-1) + f(largest factor of n)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Puzzle Solution With Explanation - correctionJayDeeKay2010-02-18 11:29:38
SolutionPuzzle Solution With ExplanationK Sengupta2008-03-29 10:17:16
answerK Sengupta2007-12-21 05:43:07
Question?Vee-Liem Veefessional2004-08-26 22:59:32
proving dj wrongjoshua2003-09-19 12:21:03
Some Thoughtsre(2): i agree [i don't]DJ2003-07-12 11:35:33
re: i agreeDJ2003-07-12 09:15:22
i agreeAhmed2003-07-12 07:49:59
SolutionSolutionDJ2003-07-11 18:06:13
Some Thoughtsthoughtsmike2003-07-11 13:58:01
i was almost there- somebody help me!!!helena2003-07-11 11:01:30
solutiontiffany2003-07-11 08:24:29
somethinViet2003-07-11 06:36:54
No clueDJ2003-07-11 06:05:50
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