All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math > Calculus
Strange sequence (Posted on 2005-11-15) Difficulty: 4 of 5
If f(0)=0 and for n>0, f(n)=n-f(f(n-1)),
what is f(1,000,000,000,000)?

Computer solutions welcome,
though a proof would be better!

See The Solution Submitted by e.g.    
Rating: 3.1667 (6 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
AnswerK Sengupta2008-11-11 01:29:40
re(2): solution - no computer, error (??)pcbouhid2008-05-14 21:33:15
Questionre: solution - no computer, errorBon2006-07-23 16:21:16
re(2): solution - no computer - to Bobpcbouhid2005-11-15 14:43:42
re(2): solution - no computer - correctionpcbouhid2005-11-15 14:41:25
re: solution - no computerCharlie2005-11-15 14:25:49
re: solution - no computerBob Smith2005-11-15 14:15:57
Solutionsolution - no computerpcbouhid2005-11-15 14:05:50
SolutionSolution--computer used thrice...Charlie2005-11-15 11:46:21
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information